A354633 Decimal expansion of the negated digamma function at 3/8.

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

Offset

1,1

Links

Table of n, a(n) for n=1..91.

Index entries for sequences related to the digamma function

Formula

Equals sqrt(2)*arcsinh(1) - 4*log(2) - (sqrt(2)-1)*Pi/2 - gamma, where gamma is Euler's constant (A001620). - Amiram Eldar, Jun 03 2022

Example

psi(3/8) = -2.7539990491451...

Mathematica

RealDigits[PolyGamma[3/8], 10, 100][[1]] (* Amiram Eldar, Jun 03 2022 *)

Crossrefs

Cf. A001620, A091648.

Sequence in context: A011232 A272699 A138344 * A171037 A246205 A340117

Adjacent sequences: A354630 A354631 A354632 * A354634 A354635 A354636

Keyword

nonn,cons

Author

R. J. Mathar, Jun 01 2022

Status

approved