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 A298515 #6 Jan 10 2024 16:07:51 %S A298515 5,9,0,7,3,1,6,8,1,5,1,8,0,7,7,5,7,4,1,8,5,9,7,9,5,1,7,6,8,4,1,9,4,7, %T A298515 8,7,9,3,0,3,2,4,0,0,1,2,4,1,6,7,7,9,9,7,1,2,9,7,8,1,6,3,6,7,0,4,9,8, %U A298515 3,9,7,7,8,6,4,2,9,8,2,4,5,8,0,0,1,7 %N A298515 Decimal expansion of lim_ {n->oo} ((n + 1)*g - s(0) -s(1) - ... - s(n)), where g = (1 + sqrt (3))/2, s(n) = (s(n - 1) + 1/2)^(1/2), s(0) = 1. %C A298515 (lim_ {n->oo} s(n)) = g = (1 + sqrt (3))/2. See A298512 for a guide to related sequences. %e A298515 s(n) -> g = (1+sqrt(3))/2. %e A298515 (n+1)*g - s(0) - s(1) - ... - s(n) -> 0.590731681518077574185979517684194787... %t A298515 s[0] = 1; d = 1/2; p = 1/2; %t A298515 g = (x /. NSolve[x^(1/p) - x - d == 0, x, 200])[[2]] %t A298515 s[n_] := s[n] = (s[n - 1] + d)^p %t A298515 N[Table[s[n], {n, 0, 30}]]; %t A298515 s = N[Sum[g - s[n], {n, 0, 200}], 150 ]; %t A298515 StringJoin[StringTake[ToString[s], 41], "..."] %t A298515 RealDigits[s, 10][[1]] (* A298515 *) %Y A298515 Cf. A298512, A298516, A298517. %K A298515 nonn,easy,cons %O A298515 0,1 %A A298515 _Clark Kimberling_, Feb 11 2018