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 A220261 #11 Aug 11 2019 16:36:56 %S A220261 1,5,9,7,6,8,0,1,1,3,0,6,4,0,9,3,5,2,6,7,2,1,4,4,3,2,7,7,1,3,3,1,9,3, %T A220261 9,0,8,5,8,7,2,4,0,5,1,6,1,5,3,4,5,1,8,8,1,4,0,9,0,9,2,6,3,8,0,7,5,6, %U A220261 6,6,4,7,1,6,1,0,1,1,2,0,7,9,4,9,5,8 %N A220261 Decimal expansion of (1/e) * log_10(e), where 1/e = A068985, log_10(e) = A002285. %C A220261 Maximal value of function x * log_10(x) for x < 0 in x = -1/e. %C A220261 -0,159768… = minimal value of function x * log_10(x) for x > 0 in x = 1/e. %C A220261 Decimal expansion of 1 / (e * log(10)), where e = A001113, log(10) = A002392. %e A220261 0.15976801130640935267214... %t A220261 RealDigits[1/E Log10[E],10,120][[1]] (* _Harvey P. Dale_, Aug 11 2019 *) %Y A220261 Cf. A001113, A068985, A002285. %K A220261 nonn,cons %O A220261 0,2 %A A220261 _Jaroslav Krizek_, Dec 08 2012