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 A354633 #8 Jun 03 2022 03:21:33 %S A354633 2,7,5,3,9,9,9,0,4,9,1,4,5,1,3,9,5,7,5,7,6,4,0,1,9,2,1,8,8,0,4,5,6,8, %T A354633 1,0,5,2,5,1,4,9,5,3,9,3,6,8,8,1,0,2,3,1,0,5,4,6,2,8,3,2,2,7,9,9,0,4, %U A354633 1,1,3,9,8,9,6,9,0,4,7,6,2,8,3,9,8,7,0,8,2,7,9 %N A354633 Decimal expansion of the negated digamma function at 3/8. %H A354633 <a href="/index/Di#differential_equations">Index entries for sequences related to the digamma function</a> %F A354633 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 A354633 psi(3/8) = -2.7539990491451... %t A354633 RealDigits[PolyGamma[3/8], 10, 100][[1]] (* _Amiram Eldar_, Jun 03 2022 *) %Y A354633 Cf. A001620, A091648. %K A354633 nonn,cons %O A354633 1,1 %A A354633 _R. J. Mathar_, Jun 01 2022