+0  
 
0
23512
8
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what is the next number in this sequence 2 7 8 3 12 9

Guest May 7, 2014

Best Answer 

 #4
avatar+996 
+8

I'm just going to grab a the formula and answer because this question needs to be answered.

 

2, 7, 8, 3, 12, 9 ... 
The nth term of this sequence is: 

-(17/30)n^5 + (113/12)n^4 - (173/3)n^3 + (1915/12)n^2 - (5813/30)n + 85 
Therefore, term number 7 is: -146 / 1 = -146

 

Also, no luck with a book of sequences

GoldenLeaf  May 8, 2014
 #1
avatar
+5

This sequence is neither arithmetic or geometric, so I have no idea what comes next. Sorry :(

Guest May 8, 2014
 #2
avatar+93691 
+5

Maybe it is a sequence in a different base (not10) 

Where does that online book of sequences hang out.  Yes there really is such a thing.

Can anyone find it easily?

Melody  May 8, 2014
 #3
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+5
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Search: seq:2,7,8,3,1,2,9
 

Sorry, but the terms do not match anything in the table.

If your sequence is of general interest, please submit it using the form provided and it will (probably) be added to the OEIS! Include a brief description and if possible enough terms to fill 3 lines on the screen. We need at least 4 terms.
    
 
 

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Last modified May 8 09:50 EDT 2014. Contains 241658 sequences.

link:http://web2.0calc.com/questions/what-is-the-next-number-in-this-sequence-2-7-8-3-12-9

S.

Guest May 8, 2014
 #4
avatar+996 
+8
Best Answer

I'm just going to grab a the formula and answer because this question needs to be answered.

 

2, 7, 8, 3, 12, 9 ... 
The nth term of this sequence is: 

-(17/30)n^5 + (113/12)n^4 - (173/3)n^3 + (1915/12)n^2 - (5813/30)n + 85 
Therefore, term number 7 is: -146 / 1 = -146

 

Also, no luck with a book of sequences

GoldenLeaf  May 8, 2014
 #5
avatar
+5

Sorry!

login
 
This site is supported by donations to The OEIS Foundation.

 

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Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

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(Greetings from The On-Line Encyclopedia of Integer Sequences!)
Search: seq:2,7,8,3,12,9
 

Sorry, but the terms do not match anything in the table.

If your sequence is of general interest, please submit it using the form provided and it will (probably) be added to the OEIS! Include a brief description and if possible enough terms to fill 3 lines on the screen. We need at least 4 terms.
    
 
 

Search completed in 0.596 seconds

Last modified May 8 09:50 EDT 2014. Contains 241658 sequences.

link:http://web2.0calc.com/questions/what-is-the-next-number-in-this-sequence-2-7-8-3-12-9

 

S.

Guest May 8, 2014
 #6
avatar
0

 

 

OK Goldenleaf, You and Jeff Aaron did a good job.

Now, what are the next sequences for this series 17, 29, 31, 48, 49, 34

Hint: These are from the Powerball lottery

Guest May 8, 2014
 #7
avatar+93691 
+3

There you go anonymous.

You got lots of attention and maybe some people learned about the OEIS foundation along the way!

Melody  May 9, 2014
 #8
avatar
0

2^3= 8  

7^3= 343

8^3= 512

3^3 = 9

12^3 = 1728

9^3 = 729

28^3 = 21952

the serie will be then 2-7-8-3-12-9-28-29-52........

we take two terminal numbers if there is a repition 2 , 12 and 52

8 and 28

Guest May 18, 2014

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