+0  
 
0
54
3
avatar

What are the next three numbers in the pattern:

1,3,7,13,21.

 Apr 14, 2021
 #1
avatar+180 
+2

The next three numbers in this pattern is 1,3,7,13, 21, 31, 43, 57. +2, +4, + 6 ... 

 Apr 14, 2021
edited by Mathdory  Apr 14, 2021
 #2
avatar+31577 
+2

add  2    add 4    add 6     add 8    add 10   etc

 

31    43    57  

 Apr 14, 2021
 #3
avatar+2 
0

I am still searching for some proper solution.

 

Upsers

 Apr 15, 2021

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