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 A037098 #7 Jul 08 2025 21:05:42 %S A037098 0,1,3,16,71,345,1624,17121,71577,345342,1624171,17121011,71577060, %T A037098 345342131,1624173733,17331156576,71473314601,345325637555, %U A037098 3624144315044,16333160460471,71272765314407 %N A037098 Sequence A037093 shown in octal. %F A037098 a(n) = A007094(A037093(n)). %Y A037098 Compare to A037099. %K A037098 nonn,base %O A037098 0,3 %A A037098 _Antti Karttunen_, Jan 29 1999 %E A037098 Entry revised Dec 29 2007