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 A354640 #7 Jun 14 2023 07:44:38 %S A354640 1,0,1,7,2,3,0,7,4,1,3,7,2,0,1,7,3,4,3,4,0,6,6,0,1,3,5,5,1,5,8,9,2,3, %T A354640 1,9,9,3,5,7,7,0,1,0,6,3,3,3,1,4,9,9,1,4,9,8,9,8,8,4,5,7,4,9,8,6,4,5, %U A354640 5,8,7,2,9,7,4,6,9,4,9,3,9,5,0,9,5,3,2,9,2,7,1,8 %N A354640 Decimal expansion of the negated digamma function at 7/9. %H A354640 <a href="/index/Di#differential_equations">Index entries for sequences related to the digamma function</a>. %e A354640 psi(7/9) = -1.01723074137201... %t A354640 RealDigits[PolyGamma[7/9], 10, 120][[1]] (* _Amiram Eldar_, Jun 14 2023 *) %o A354640 (PARI) -psi(7/9) \\ _Amiram Eldar_, Jun 14 2023 %Y A354640 Cf. A354636, A354637, A354638, A354639, A354641. %K A354640 nonn,cons %O A354640 1,4 %A A354640 _R. J. Mathar_, Jun 01 2022