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 A365251 #9 Aug 29 2023 13:10:35 %S A365251 2,4,8,8,6,2,6,6,1,2,3,4,4,0,8,7,8,2,3,1,9,5,2,7,7,1,6,7,4,9,6,8,8,2, %T A365251 0,0,3,3,3,6,9,9,4,2,0,6,8,0,4,5,9,0,7,4,8,7,3,8,0,6,2,4,2,6,9,6,9,1, %U A365251 2,8,6,1,5,4,8,7,0,7,5,5,6,2,9,4,4,1,0,3,4,5,5,7 %N A365251 Decimal expansion of the absolute value of psi^(4)(1), the fourth derivative of the digamma function at 1. %F A365251 Equals 24*A013663. %e A365251 psi^(4)(1) = -24.88626612344087823195277167496882... %p A365251 evalf(Psi(4,1)) ; %t A365251 RealDigits[24*Zeta[5], 10, 100][[1]] (* _Amiram Eldar_, Aug 29 2023 *) %o A365251 (PARI) psi''''(1) \\ _Michel Marcus_, Aug 29 2023 %Y A365251 Cf. A013663, A231535 (3rd deriv), A152648 (2nd deriv), A013661 (1st deriv). %K A365251 cons,nonn %O A365251 2,1 %A A365251 _R. J. Mathar_, Aug 29 2023