A020037 Nearest integer to Gamma(n + 4/5)/Gamma(4/5).

1, 1, 1, 4, 15, 74, 427, 2901, 22624, 199095, 1951127, 21072175, 248651668, 3182741351, 43921830648, 650043093588, 10270680878694, 172547438762056, 3071344409964594, 57741274907334370, 1143277243165220534

Offset

0,4

Comments

Gamma(n + 4/5)/Gamma(4/5) = 1, 4/5, 36/25, 504/125, 9576/625, 229824/3125, 6664896/15625, 226606464/78125, ... - 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. A008546, A020082, A020127.

Sequence in context: A307996 A230741 A020082 * A086365 A032270 A198057

Adjacent sequences: A020034 A020035 A020036 * A020038 A020039 A020040

Keyword

nonn

Author

Simon Plouffe

Status

approved