A020128 Ceiling of GAMMA(n+3/5)/GAMMA(3/5).

1, 1, 1, 3, 9, 42, 232, 1528, 11611, 99851, 958562, 10160756, 117864769, 1485096082, 20197306709, 294880677942, 4600138575888, 76362300359741, 1343976486331426, 24997962645764523, 489960067856984639

Offset

0,4

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

Sequence in context: A129879 A264521 A001427 * A018995 A018965 A357703

Adjacent sequences: A020125 A020126 A020127 * A020129 A020130 A020131

Keyword

nonn

Author

Simon Plouffe

Status

approved