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 A215735 #32 Jul 12 2024 14:23:52 %S A215735 1,7,7,0,2,1,2,7,1,1,0,5,7,6,3,7 %N A215735 a(n) is the first digit to appear n times in succession in a power of 6. %Y A215735 See A215729 for the powers. %Y A215735 Cf. A045875, A215732. %K A215735 nonn,base,more %O A215735 1,2 %A A215735 _V. Raman_, Aug 22 2012 %E A215735 a(11) added by _V. Raman_, Nov 23 2013 %E A215735 a(12)-a(13) from _Giovanni Resta_, Apr 19 2016 %E A215735 a(14) from _Bert Dobbelaere_, Feb 15 2019 %E A215735 a(15) from _Paul Geneau de Lamarlière_, Jun 26 2024 %E A215735 a(16) from _Paul Geneau de Lamarlière_, Jul 12 2024