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 A353113 #14 Apr 26 2022 04:50:20
%S A353113 1,41,2241,114241,3214241,131414241,3424414241,134414414241,
%T A353113 4010314414241,140000314414241,121200300314414241,
%U A353113 111333240300314414241,102224302240300314414241,43323231102240300314414241,40130121131102240300314414241
%N A353113 Base-5 representation of A000422(n).
%F A353113 a(n) = A007091(A000422(n)).
%o A353113 (Ruby)
%o A353113 def A(k, n)
%o A353113 (1..n).map{|i| (1..i).to_a.reverse.join.to_i.to_s(k).to_i}
%o A353113 end
%o A353113 p A(5, 20)
%Y A353113 Cf. A000422, A353110, A353111, A353112, A353114, A353115, A353116, A353117.
%Y A353113 Cf. A007091, A353105.
%K A353113 nonn,base
%O A353113 1,2
%A A353113 _Seiichi Manyama_, Apr 24 2022