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 A353115 #15 Apr 26 2022 04:50:42
%S A353115 1,30,636,15412,314241,5363433,122026543,2113022646,33321631443,
%T A353115 536166343420,143160211151106,34336660114345260,11025520662032415631,
%U A353115 2346534662055361221261,535040660151320030232114,150206616416004416563301662
%N A353115 Base-7 representation of A000422(n).
%F A353115 a(n) = A007093(A000422(n)).
%o A353115 (Ruby)
%o A353115 def A(k, n)
%o A353115 (1..n).map{|i| (1..i).to_a.reverse.join.to_i.to_s(k).to_i}
%o A353115 end
%o A353115 p A(7, 20)
%Y A353115 Cf. A000422, A353110, A353111, A353112, A353113, A353114, A353116, A353117.
%Y A353115 Cf. A007093, A097582.
%K A353115 nonn,base
%O A353115 1,2
%A A353115 _Seiichi Manyama_, Apr 24 2022