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 A332554 #6 Feb 22 2020 10:19:32 %S A332554 2,5,9,3,5,27,10,6,8,20,24,9,11,21,135,12,14,35,6,15,17,90,12,18,20,7, %T A332554 54,21,23,495,42,24,26,19,69,27,29,44,161,30,32,80,13,33,35,374,45,17, %U A332554 38,14,99,39,10,26,65,42,44,110,114,45,47,85,153,11 %N A332554 a(n) = (n*(n+1)/2)/Q(n) - (Q(n)+1)/2, where Q(n) = A332547(n). %C A332554 _Michael J. Collins_ showed that this is an upper bound on A082183 (see Comments in A082183). %K A332554 nonn %O A332554 2,1 %A A332554 _N. J. A. Sloane_, Feb 21 2020, following a suggestion from _Michael J. Collins_, Feb 19 2020