A020120 Ceiling of GAMMA(n+5/7)/GAMMA(5/7).

1, 1, 2, 4, 13, 59, 333, 2233, 17226, 150104, 1458150, 15623032, 183012660, 2326875240, 31911431854, 469553925839, 7378704548889, 123329776031415, 2184698889699347, 40885079221516336, 806020133224179177

Offset

0,3

Links

Table of n, a(n) for n=0..20.

Maple

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

Crossrefs

Cf. A220606.

Sequence in context: A173184 A111977 A201691 * A020097 A139149 A297861

Adjacent sequences: A020117 A020118 A020119 * A020121 A020122 A020123

Keyword

nonn

Author

Simon Plouffe

Status

approved