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 A225629 #12 Mar 05 2025 13:43:59 %S A225629 1,1,1,3,4,30,30,84,120,1260,840,13860,13860,180180,180180,180180, %T A225629 240240,6126120,6126120,116396280,58198140,116396280,116396280, %U A225629 2677114440,2677114440,13385572200,13385572200,40156716600,40156716600,776363187600,776363187600 %N A225629 a(n) = Last value in column n of A225630 which is not yet the fixed point A003418(n) of that column. %C A225629 a(n) = also the second rightmost terms of row n of irregular table A225632. %C A225629 a(0)= a(1) = 1 by convention. %F A225629 a(n) = A225630(n,max(0,A225633(n)-1)). %o A225629 (Scheme) (define (A225629 n) (A225630bi n (max 0 (- (A225633 n) 1)))) %Y A225629 Cf. A225630, A225637. %K A225629 nonn %O A225629 0,4 %A A225629 _Antti Karttunen_, May 13 2013