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 A370798 #8 Mar 02 2024 10:37:45
%S A370798 1,2,5,15,52,200,824,3549,15745,71343,328537,1532838,7230341,34425026,
%T A370798 165230211,798643501,3884110353,18993027790,93325418867,460562269745,
%U A370798 2281769792691,11344607718373,56585135577335,283067227288767,1419859530338142,7139644680794750
%N A370798 Expansion of (1/x) * Series_Reversion( x/(x+1/(1-x-x^4)) ).
%H A370798 <a href="/index/Res#revert">Index entries for reversions of series</a>
%F A370798 a(n) = Sum_{k=0..n} binomial(n,k) * b(k), where g.f. B(x) = Sum_{k>=0} b(k)*x^k satisfies B(x) = (1/x) * Series_Reversion( x*(1-x-x^4) ).
%o A370798 (PARI) my(N=30, x='x+O('x^N)); Vec(serreverse(x/(x+1/(1-x-x^4)))/x)
%Y A370798 Cf. A218225, A370797.
%Y A370798 Cf. A063021.
%K A370798 nonn
%O A370798 0,2
%A A370798 _Seiichi Manyama_, Mar 02 2024