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 A354642 #12 Jun 14 2023 07:44:17 %S A354642 3,5,0,2,5,2,4,2,2,2,2,0,0,1,3,2,9,8,8,9,6,4,4,9,4,5,0,7,3,7,1,9,8,1, %T A354642 5,9,9,5,3,7,9,0,8,2,8,8,4,0,4,5,0,2,0,9,5,6,6,4,9,1,9,7,5,1,2,6,4,1, %U A354642 6,3,7,1,9,0,3,5,9,1,0,3,5,9,0,5,2,0,3,4,9,3,0,1 %N A354642 Decimal expansion of the negated digamma function at 3/10. %H A354642 <a href="/index/Di#differential_equations">Index entries for sequences related to the digamma function</a>. %e A354642 psi(3/10) = -3.50252422220013... %t A354642 RealDigits[PolyGamma[3/10], 10, 120][[1]] (* _Amiram Eldar_, Jun 14 2023 *) %o A354642 (PARI) psi(3/10) \\ _Michel Marcus_, Jun 02 2022 %Y A354642 Cf. A306716, A354643, A354644. %K A354642 nonn,cons %O A354642 1,1 %A A354642 _R. J. Mathar_, Jun 01 2022