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 A383794 #9 May 11 2025 07:38:45 %S A383794 1,3,1,9,3,3,3,81,1,9,3,9,3,9,3,243,3,3,3,27,3,9,3,81,9,9,3,27,3,9,3, %T A383794 729,3,9,9,9,3,9,3,243,3,9,3,27,3,9,3,243,9,27,3,27,3,9,9,243,3,9,3, %U A383794 27,3,9,3,6561,9,9,3,27,3,27,3,81,3,9,9,27,9,9,3,729 %N A383794 Denominators of Dirichlet g.f.: Sum_{n>=1} a(n)/n^s = zeta(s-1)^(1/3). %H A383794 Vaclav Kotesovec, <a href="/A383794/b383794.txt">Table of n, a(n) for n = 1..10000</a> %o A383794 (PARI) for(n=1, 100, print1(denominator(direuler(p=2, n, 1/(1-p*X)^(1/3))[n]), ", ")) %Y A383794 Cf. A256688, A256689, A257099, A383705, A383793 (numerators). %K A383794 nonn,frac,mult %O A383794 1,2 %A A383794 _Vaclav Kotesovec_, May 10 2025