A020118 Ceiling of Gamma(n+1/8)/Gamma(1/8).

1, 1, 1, 1, 1, 4, 20, 121, 862, 7001, 63876, 646743, 7195013, 87239531, 1145018832, 16173391002, 244622538903, 3944538439806, 67550220781672, 1224347751667802, 23415650750646696, 471239971356764754, 9954944394911655421, 220253144737420376190, 5093353972052846199374, 122877164575774914559894

Offset

0,6

Links

Paolo Xausa, Table of n, a(n) for n = 0..400

Maple

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

Mathematica

Ceiling[Pochhammer[1/8, Range[0, 25]]] (* Paolo Xausa, Jan 15 2026 *)

Crossrefs

Cf. A020028, A020073.

Sequence in context: A001715 A304069 A020028 * A009351 A379202 A121553

Adjacent sequences: A020115 A020116 A020117 * A020119 A020120 A020121

Keyword

nonn

Author

Simon Plouffe

Extensions

More terms from Paolo Xausa, Jan 15 2026

Status

approved