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 A354630 #7 Jun 14 2023 07:46:31 %S A354630 1,6,4,8,7,7,0,7,3,4,9,2,1,0,7,7,4,3,8,2,6,1,9,1,2,6,7,2,9,4,4,2,8,7, %T A354630 7,6,7,6,2,7,7,6,0,1,3,8,8,2,8,4,1,3,2,9,5,3,0,0,3,6,5,7,2,4,4,5,1,5, %U A354630 4,0,4,7,4,3,8,3,2,3,2,3,3,2,3,9,2,7,0,2,3,6,8,8,3 %N A354630 Decimal expansion of the negated digamma function at 4/7. %H A354630 <a href="/index/Di#differential_equations">Index entries for sequences related to the digamma function</a>. %e A354630 psi(4/7) = -1.64877073492107... %t A354630 RealDigits[PolyGamma[4/7], 10, 120][[1]] (* _Amiram Eldar_, Jun 14 2023 *) %o A354630 (PARI) -psi(4/7) \\ _Amiram Eldar_, Jun 14 2023 %Y A354630 Cf. A354627, A354628, A354629, A354631, A354632. %K A354630 nonn,cons %O A354630 1,2 %A A354630 _R. J. Mathar_, Jun 01 2022