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 A035257 #7 Jul 30 2020 12:19:04 %S A035257 1,2,4,5,7,8,9,10,11,13,14,16,18,20,22,25,26,28,31,32,35,36,40,43,44, %T A035257 45,47,49,50,52,55,56,61,62,63,64,65,67,70,72,77,80,81,86,88,90,91,94, %U A035257 98,99,100,101,103,104,107,110,112,113,117,121,122,124,125 %N A035257 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= 14. %o A035257 (PARI) m=14; select(x -> x, direuler(p=2,101,1/(1-(kronecker(m,p)*(X-X^2))-X)), 1) %Y A035257 Cf. A035196 (the expansion itself). %K A035257 nonn %O A035257 1,2 %A A035257 _N. J. A. Sloane_ %E A035257 Edited and extended by _Andrey Zabolotskiy_, Jul 30 2020