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 A375772 #11 Aug 27 2024 09:12:52
%S A375772 5,3,0,2,6,3,3,2,1,6,3,3,7,6,3,9,6,3,1,4,3,2,7,0,6,9,1,0,4,3,8,4,0,9,
%T A375772 0,7,8,3,8,8,6,5,5,2,3,9,2,9,7,7,2,1,9,9,2,0,7,8,1,3,0,8,9,1,5,3,0,1,
%U A375772 4,9,6,8,9,1,0,2,1,2,0,9,7,5,3,0,8,1,2,6,8,5,6,9,1,7,0,0,2,0,7,0,1,2,6,9,0
%N A375772 Decimal expansion of the absolute value of the second derivative of the digamma function at 3/4.
%H A375772 Ernst D. Krupnikov and K. S. Kolbig, <a href="https://doi.org/10.1016/S0377-0427(96)00111-2">Some special cases of the generalized hypergeometric function _{q+1}F_q</a>, J. Comp. Appl. Math. 78 (1997) 79-95.
%F A375772 psi''(3/4) = 2*(Pi^3-28*zeta(3)).
%e A375772 psi''(3/4) = -5.3026332163376396314327...
%p A375772 2*(Pi^3-28*Zeta(3)); evalf(%) ;
%t A375772 RealDigits[PolyGamma[2, 3/4], 10, 105][[1]] (* _Vaclav Kotesovec_, Aug 27 2024 *)
%Y A375772 Cf. A200134 (psi(3/4)), A282824 (psi'(3/4)).
%K A375772 nonn,cons
%O A375772 1,1
%A A375772 _R. J. Mathar_, Aug 27 2024