This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A035262 #7 Jul 30 2020 12:19:16 %S A035262 1,2,4,5,8,9,10,11,13,16,17,18,19,20,22,23,25,26,32,34,36,37,38,40,44, %T A035262 45,46,49,50,52,55,59,64,65,67,68,72,74,76,79,80,81,83,85,88,90,92,95, %U A035262 98,99,100,103,104,109,110,113,115,117,118,121,125,127,128 %N A035262 Indices of the nonzero terms in expansion of Dirichlet series Product_p (1-(Kronecker(m,p)+1)*p^(-s)+Kronecker(m,p)*p^(-2s))^(-1) for m= 26. %o A035262 (PARI) m=26; select(x -> x, direuler(p=2,101,1/(1-(kronecker(m,p)*(X-X^2))-X)), 1) %Y A035262 Cf. A035208 (the expansion itself). %K A035262 nonn %O A035262 1,2 %A A035262 _N. J. A. Sloane_ %E A035262 Edited and extended by _Andrey Zabolotskiy_, Jul 30 2020