A020028 Nearest integer to Gamma(n + 1/8)/Gamma(1/8).

1, 0, 0, 0, 1, 4, 20, 121, 862, 7000, 63876, 646743, 7195013, 87239530, 1145018832, 16173391002, 244622538903, 3944538439806, 67550220781672, 1224347751667801, 23415650750646696, 471239971356764754

Offset

0,6

Comments

Gamma(n + 1/8)/Gamma(1/8) = 1, 1/8, 9/64, 153/512, 3825/4096, 126225/32768, 5175225/262144, 253586025/2097152, ... - R. J. Mathar, Sep 04 2016

Links

Table of n, a(n) for n=0..21.

Maple

Digits := 64:f := proc(n, x) round(GAMMA(n+x)/GAMMA(x)); end;

Mathematica

Table[Round[Gamma[n+1/8]/Gamma[1/8]], {n, 0, 30}] (* Harvey P. Dale, Sep 05 2020 *)

Crossrefs

Cf. A045755, A020073, A020118.

Sequence in context: A370653 A001715 A304069 * A020118 A009351 A379202

Adjacent sequences: A020025 A020026 A020027 * A020029 A020030 A020031

Keyword

nonn

Author

Simon Plouffe

Status

approved