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suppose i have a set {0,1,2.......x-1}

Now I am generating an i length sequence using the numbers from above set...{a0,a1,....ai} where all ai>=0 and ai<=x-1

Note numbers may repeat in that sequence...so there will be total x^i such sequences.....

Now i am carrying {a0*a1*.......ai}mod x for all such sequences and i get y0,y1 ....and x^i such numbers...

What I want is average value of yi s...can it be generalized for any x and i ?

 Jul 7, 2014

Best Answer 

 #1
avatar+28029 
+5

If I've understood the question correctly (that's a big if!) then there are results listed below for some small values of x.  I constructed a numerical algorithm to calculate these values.  I haven't been able to think of a generalisation (except when i = 1, in which case y1av = (x-1)/2).yiav

 Jul 7, 2014
 #1
avatar+28029 
+5
Best Answer

If I've understood the question correctly (that's a big if!) then there are results listed below for some small values of x.  I constructed a numerical algorithm to calculate these values.  I haven't been able to think of a generalisation (except when i = 1, in which case y1av = (x-1)/2).yiav

Alan Jul 7, 2014

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