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 A372788 #6 May 13 2024 12:21:49 %S A372788 4,5,8,6,8,10,8,7,12,10,8,12,8,10,16,8,8,15,8,12,16,10,8,14,12,10,16, %T A372788 12,8,20,8,9,16,10,16,18,8,10,16,14,8,20,8,12,24,10,8,16,12,15,16,12, %U A372788 8,20,16,14,16,10,8,24,8,10,24,10,16,20,8,12,16,20,8,21 %N A372788 a(n) = tau(8*n) = A000005(8*n). %H A372788 Vaclav Kotesovec, <a href="/A372788/a372788.jpg">Graph - the asymptotic ratio (100000 terms)</a> %F A372788 Sum_{k=1..n} a(k) ~ (20*n*(log(n) + 2*gamma - 1) + n*12*log(2)) / 8, where gamma is the Euler-Mascheroni constant A001620. %t A372788 Table[DivisorSigma[0, 8*n], {n, 1, 150}] %Y A372788 Cf. A283122. %Y A372788 Cf. A000005, A099777, A372713, A372784, A372785, A372786, A372787, A372789, A372790, A372791, A372792. %K A372788 nonn %O A372788 1,1 %A A372788 _Vaclav Kotesovec_, May 13 2024