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 A248497 #8 Jan 15 2018 14:07:06 %S A248497 3,5,4,9,4,1,2,1,5,0,6,5,4,7,5,6,9,4,7,2,6,5,4,4,7,2,6,1,3,1,2,3,6,5, %T A248497 1,2,5,9,3,2,3,8,7,0,7,0,1,4,0,7,9,3,6,5,9,6,4,8,3,4,7,1,4,9,8,9,1,7, %U A248497 9,1,8,4,0,5,5,6,7,7,3,6,7,9,7,9,8,2,1,0,1,4,1,7,9,0,4,3,7,7,4,7,3,6,8,4,0,6,9,9,5,0,3,7,2,9,8,1,7,8,4,5,2,3,0,3,2,1,8,8,2,8,2,6,2,9,1,8,2,7,2,5,9,7,8,6,2,6,4,2,8,9,1,7,1,0,3,9,3,1,3,4,2,9,7,4,3 %N A248497 Decimal expansion of constant mentioned in A247562. %e A248497 c = 0.3549412150654756947265447261312365125932387... %Y A248497 Cf. A101402, A247562. %K A248497 nonn,cons %O A248497 0,1 %A A248497 _Odimar Fabeny_, Oct 07 2014