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 A080320 #5 Jan 11 2024 10:54:30 %S A080320 1,8,625,82461,2414517826,465696894874,19586243923520645, %T A080320 911881322544255111111,2344958374133795816706574529598, %U A080320 540549352213084909964319555106232 %N A080320 a(n) = A057118(A080295(n)) = A080300(A080318(n)). Positions of A080318 in A014486. %Y A080320 Cf. A080321. %K A080320 nonn %O A080320 0,2 %A A080320 _Antti Karttunen_, Mar 02 2003