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 A358448 #5 Nov 17 2022 10:02:42 %S A358448 1,2,12,60,5040,3603600,908107200,15437822400,293318625600, %T A358448 267154604196480000,4935147003321575040000,1963886355464640647040000, %U A358448 74963506074440798138163840000,65039484811827775408882461490752000000,3415186532666352810621130006203072000000 %N A358448 Indices of record values of A036450(n) = d(d(d(n))). %Y A358448 Subsequence of A007416. (Not a subsequence of A002182.) %Y A358448 Cf. A036450. %K A358448 nonn %O A358448 1,2 %A A358448 _Charles R Greathouse IV_, Nov 17 2022