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 A355134 #7 Jun 20 2022 08:36:53 %S A355134 1,2,18,484,33756,5726688,2282797376,2092535127520,4343501656698208, %T A355134 20170260943214036928,207447888426953360929472, %U A355134 4684772419161811298440759936,230574775676259398837728211069824,24573264762390563391638492791134674432 %N A355134 E.g.f. A(x) satisfies A(x) = 1 - 2 * log(1-x) * A(-2 * log(1-x)). %F A355134 E.g.f. A(x) satisfies: A(1 - exp(-x)) = 1 + 2*x*A(2*x). %F A355134 a(0) = 1; a(n) = Sum_{k=1..n} k * 2^k * |Stirling1(n,k)| * a(k-1). %o A355134 (PARI) a_vector(n) = my(v=vector(n+1)); v[1]=1; for(i=1, n, v[i+1]=sum(j=1, i, j*2^j*abs(stirling(i, j, 1))*v[j])); v; %Y A355134 Cf. A355121, A355126. %K A355134 nonn %O A355134 0,2 %A A355134 _Seiichi Manyama_, Jun 20 2022