A133450: correction, more terms, Mmca

zak seidov zakseidov at yahoo.com
Sun Dec 23 21:32:18 CET 2007


Neil, Alexander,

1.
%e A133450 a(5)=5 because 100 - (89 + 101)/2 = 5
should be 
%e A133450 a(5)=1 because 100 - (97 + 101)/2 = 1 

2.
More terms:

%S A133450
0,1,2,0,1,0,1,2,0,1,1,2,1,4,3,-2,-2,2,1,1,-4,-5,-5,1,10,1,3,7,-2,0,4,0,3,-5,4,0,2,12,0,-9,-2,6,-6,-3,3,0,2,1,-3,10,-9,1,10,-3,1,0,4,2,-2,5,1,1,8,-12,5,-1,8,-2,0,0,-3,-1,1,2,8,-4,12,3,4,5,1,-2,-10,0,10,0,-6,2,7,9,-10,2,-1,-2,-2,0,-2,4,0,1

3.
Mmca code:
Table[n^2-(Prime[PrimePi[n^2]]+Prime[PrimePi[n^2]+1])/2,{n,2,200,2}]
- Zak Seidov (zakseidov at yahoo.com)



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