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 A353107 #17 Apr 26 2022 03:49:12 %S A353107 1,13,146,1621,17836,207313,2281451,25206070,277266780,34771513601, %T A353107 4330564256733,535110486286816,65858371163036861,8202185121837583406, %U A353107 1113465620754570813253,134741562223525280514741,16425841240157671153405780 %N A353107 Base-9 representation of A007908(n). %H A353107 Seiichi Manyama, <a href="/A353107/b353107.txt">Table of n, a(n) for n = 1..354</a> %F A353107 a(n) = A007095(A007908(n)). %o A353107 (Ruby) %o A353107 def A(k, n) %o A353107 (1..n).map{|i| (1..i).to_a.join.to_i.to_s(k).to_i} %o A353107 end %o A353107 p A(9, 20) %Y A353107 Cf. A007908, A050926, A097580, A097582, A097583, A353104, A353105, A353106. %Y A353107 Cf. A007095. %K A353107 nonn,base %O A353107 1,2 %A A353107 _Seiichi Manyama_, Apr 23 2022