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Decimal expansion of the negated digamma function at 5/9.
5

%I #7 Jun 14 2023 07:44:47

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

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

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

%N Decimal expansion of the negated digamma function at 5/9.

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

%e psi(5/9) = -1.71281664033951...

%t RealDigits[PolyGamma[5/9], 10, 120][[1]] (* _Amiram Eldar_, Jun 14 2023 *)

%o (PARI) -psi(5/9) \\ _Amiram Eldar_, Jun 14 2023

%Y Cf. A354636, A354637, A354638, A354640, A354641.

%K nonn,cons

%O 1,2

%A _R. J. Mathar_, Jun 01 2022