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 A080270 #5 Jan 11 2024 10:25:03 %S A080270 1,8,62,6213,72665,11517948 %N A080270 Positions of A080268 in A014486. %F A080270 a(n) = A057118(A080265(n)). %Y A080270 a(n) = A080300(A080268(n)). Cf. A080271. %K A080270 nonn,more %O A080270 0,2 %A A080270 _Antti Karttunen_, Mar 02 2003