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 A058499 #7 Jan 07 2021 01:17:17
%S A058499 1,1,3,7,20,52,152,432,1292,3876,11900,36856,115728,366348,1170280,
%T A058499 3764080,12186584,39673332,129812956,426648632,1407939880,4663160064,
%U A058499 15496048156,51650777864,172639344440,578511221636,1943155984792
%N A058499 G.f.: Product_{j>=1} (1 - x^j)^(-A000084(j)).
%C A058499 Bears same relationship to A000084 as A000084 does to A000669.
%K A058499 nonn
%O A058499 0,3
%A A058499 _N. J. A. Sloane_, Jan 18 2001