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 A256254 #13 Sep 27 2023 15:58:25 %S A256254 9,8,8,2,4,8,7,3,7,5,1,7,3,5,6,8,5,7,3,1,7,0,6,8,8,2,6,2,4,8,1,4,0,2, %T A256254 4,8,5,8,7,6,6,2,3,6,7,0,8,5,4,4,4,4,4,0,5,5,1,9,2,7,3,6,3,8,9,6,4,8, %U A256254 5,3,8,0,0,9,2,2,4,5,3,3,4,2,4,6,5,0,4,6,7,6,1,9,0,7,8,2,2,7,2,3,1,1,3,9,1,2,8,4,6,8,4,4,6,3 %N A256254 Decimal expansion of a constant related to A258399, A258426 and A258499. %F A256254 Equals limit n->infinity (A258399(n)/n!)^(1/n). %F A256254 Equals limit n->infinity (A258426(n)/n!^2)^(1/n). %F A256254 Equals limit n->infinity (A258499(n)/n!)^(1/n). %F A256254 Equals -64/(LambertW(-2*exp(-2))*(2 + LambertW(-2*exp(-2)))). - _Vaclav Kotesovec_, Sep 27 2023 %e A256254 98.8248737517356857317068826248140248587662367085444440551927363896485... %t A256254 RealDigits[-64/(LambertW[-2/E^2]*(2 + LambertW[-2/E^2])), 10, 120][[1]] (* _Vaclav Kotesovec_, Sep 27 2023 *) %Y A256254 Cf. A258399, A258426, A258499. %K A256254 nonn,cons %O A256254 2,1 %A A256254 _Vaclav Kotesovec_, Jun 01 2015 %E A256254 More terms from _Vaclav Kotesovec_, Dec 05 2016