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 A362482 #13 Feb 16 2025 08:34:05
%S A362482 1,1,1,1,-23,-599,-8999,-104999,-868559,5246641,582598801,21205760401,
%T A362482 571129277401,11475082596121,81837031796521,-7904119577117399,
%U A362482 -596529385424263199,-28051840646006771999,-991870986521074646879,-21837506791918601443679
%N A362482 E.g.f. satisfies A(x) = exp(x - x^4 * A(x)^4).
%H A362482 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LambertW-Function.html">Lambert W-Function</a>.
%F A362482 E.g.f.: exp(x - LambertW(4*x^4 * exp(4*x))/4) = ( LambertW(4*x^4 * exp(4*x))/(4*x^4) )^(1/4).
%F A362482 a(n) = n! * Sum_{k=0..floor(n/4)} (-1)^k * (4*k+1)^(n-3*k-1) / (k! * (n-4*k)!).
%o A362482 (PARI) my(N=20, x='x+O('x^N)); Vec(serlaplace(exp(x-lambertw(4*x^4*exp(4*x))/4)))
%Y A362482 Cf. A362480, A362481.
%Y A362482 Cf. A362431, A362473.
%K A362482 sign
%O A362482 0,5
%A A362482 _Seiichi Manyama_, Apr 21 2023