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 A100022 #11 Jan 31 2023 12:33:10
%S A100022 1,4,29,205,1412,9688,66416,455237,3120256
%N A100022 Number of digits in A090162(n).
%F A100022 a(n+1)/a(n) -> Phi^4 = 6.8541... - _Robert G. Wilson v_, Nov 23 2004
%t A100022 f[n_] := Floor[ Log[10, Binomial[ Fibonacci[2n]Fibonacci[2n + 1], Fibonacci[2n - 1]Fibonacci[2n] - 1]] + 1]; Do[ Print[ f[n]], {n, 9}] (* _Robert G. Wilson v_, Nov 23 2004 *)
%K A100022 nonn,base,more
%O A100022 1,2
%A A100022 _Eric W. Weisstein_, Nov 23 2003 and _Wolfdieter Lang_, Dec 01 2003
%E A100022 a(7)-a(9) from _Robert G. Wilson v_, Nov 23 2004