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 A354634 #8 Jun 03 2022 03:21:13 %S A354634 1,4,5,2,7,0,8,7,6,4,5,7,6,5,6,6,5,6,7,2,1,0,7,8,1,6,1,2,0,2,3,3,7,7, %T A354634 2,9,0,8,3,4,0,4,3,1,0,3,6,8,7,5,1,7,9,0,8,4,3,5,8,3,2,2,1,3,3,4,1,7, %U A354634 9,3,0,1,2,1,5,5,7,8,2,7,1,6,4,5,1,4,1,6,1,7,0 %N A354634 Decimal expansion of the negated digamma function at 5/8. %H A354634 <a href="/index/Di#differential_equations">Index entries for sequences related to the digamma function</a> %F A354634 Equals sqrt(2)*arcsinh(1) - 4*log(2) + (sqrt(2)-1)*Pi/2 - gamma, where gamma is Euler's constant (A001620). - _Amiram Eldar_, Jun 03 2022 %e A354634 psi(5/8) = -1.45270876457656... %t A354634 RealDigits[PolyGamma[5/8], 10, 100][[1]] (* _Amiram Eldar_, Jun 03 2022 *) %Y A354634 Cf. A001620, A091648. %K A354634 nonn,cons %O A354634 1,2 %A A354634 _R. J. Mathar_, Jun 01 2022