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Decimal expansion of the negated digamma function at 2/7.
7

%I #7 Jun 14 2023 07:46:51

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

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

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

%N Decimal expansion of the negated digamma function at 2/7.

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

%e psi(2/7) = -3.6855179802858...

%t RealDigits[PolyGamma[2/7], 10, 120][[1]] (* _Amiram Eldar_, Jun 14 2023 *)

%o (PARI) -psi(2/7) \\ _Amiram Eldar_, Jun 14 2023

%Y Cf. A354627, A354629, A354630, A354631, A354632.

%K nonn,cons

%O 1,1

%A _R. J. Mathar_, Jun 01 2022