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Decimal expansion of the negated digamma function at 9/10.
3

%I #10 Jun 14 2023 07:43:19

%S 7,5,4,9,2,6,9,4,9,9,4,7,0,5,1,3,9,1,8,8,6,3,8,4,0,2,7,1,8,2,4,9,5,5,

%T 1,9,5,9,2,9,6,0,1,5,1,6,0,0,1,4,6,0,0,9,2,2,7,0,2,7,9,3,2,2,6,4,0,9,

%U 8,6,1,5,7,8,0,2,1,6,0,5,5,8,5,2,3,1,9,2,8,0,1,1,9

%N Decimal expansion of the negated digamma function at 9/10.

%H <a href="/index/Di#differential_equations">Index entries for sequences related to the digamma function</a>.

%e psi(9/10) = -0.75492694994705...

%t RealDigits[PolyGamma[9/10], 10, 120][[1]] (* _Amiram Eldar_, Jun 14 2023 *)

%o (PARI) psi(9/10) \\ _Michel Marcus_, Jun 02 2022

%Y Cf. A306716, A354642, A354643.

%K nonn,cons

%O 0,1

%A _R. J. Mathar_, Jun 01 2022