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 A225631 #8 Mar 05 2025 13:43:23 %S A225631 1,1,1,1,1,1,1,1,2,1,1,1,2,3,1,1,1,2,6,4,1,1,1,2,6,12,6,1,1,1,2,6,12, %T A225631 30,6,1,1,1,2,6,12,60,30,12,1,1,1,2,6,12,60,60,84,15,1,1,1,2,6,12,60, %U A225631 60,420,120,20,1,1,1,2,6,12,60,60,420,840,180,30,1 %N A225631 Transpose of A225630. %C A225631 See comments at A225630. %o A225631 (Scheme) (define (A225631 n) (A225630bi (A002262 n) (A025581 n))) %Y A225631 Irregular table A225632 gives A225634(n) distinct terms from the beginning of each row. %K A225631 nonn,tabl %O A225631 0,9 %A A225631 _Antti Karttunen_, May 13 2013