A020026 Nearest integer to Gamma(n + 5/8)/Gamma(5/8).

1, 1, 1, 3, 10, 45, 251, 1666, 12701, 109544, 1054364, 11202617, 130230419, 1644159040, 22401666926, 327624378798, 5119130918712, 85105551523595, 1499985345603354, 27937227061862467, 548268081089050918

Offset

0,4

Comments

Gamma(n + 5/8)/Gamma(5/8) = 1, 5/8, 65/64, 1365/512, 39585/4096, 1464645/32768, 65909025/262144, ... - R. J. Mathar, Sep 04 2016

Links

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

Maple

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

Crossrefs

Cf. A020071, A020116, A147625.

Sequence in context: A207652 A099237 A006220 * A077002 A268224 A003704

Adjacent sequences: A020023 A020024 A020025 * A020027 A020028 A020029

Keyword

nonn

Author

Simon Plouffe

Status

approved