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 A250487 #6 Jun 10 2018 13:51:39 %S A250487 1,21,10610209857723 %N A250487 a(n) = Fibonacci(8^n). %H A250487 Alois P. Heinz, <a href="/A250487/b250487.txt">Table of n, a(n) for n = 0..4</a> %F A250487 a(n) = A000045(8^n). %p A250487 a:= n-> (<<0|1>, <1|1>>^(8^n))[1, 2]: %p A250487 seq(a(n), n=0..4); %Y A250487 Row n=8 of A250486. %Y A250487 Cf. A000045. %K A250487 nonn %O A250487 0,2 %A A250487 _Alois P. Heinz_, Nov 24 2014