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 A030040 #10 May 24 2024 17:47:02
%S A030040 1,1,1,2,3,6,13,26,57,117,262,602,1329,3079,7245,16503,38869,89113,
%T A030040 210974,504309,1179630,2824021,6635307,15941802,38557737,91823353,
%U A030040 222366338,541354461,1299734664,3164349333,7610216362,18557153445,45434487823,110039888736
%N A030040 a(n+1) = Sum_{k=0..floor(n/tau)} a(k) * a(n-k), where tau = (1+sqrt(5))/2.
%o A030040 (PARI) lista(nn) = {my(v=vector(nn+2, i, 1)); for(n=1, nn, v[n+2]=sum(k=1, 1+n\((1+sqrt(5))/2), v[k]*v[n+2-k])); v; } \\ _Jinyuan Wang_, Mar 18 2020
%Y A030040 Cf. A000992, A001622.
%K A030040 nonn
%O A030040 0,4
%A A030040 _N. J. A. Sloane_
%E A030040 More terms from _Jinyuan Wang_, Mar 18 2020