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A020039 Nearest integer to GAMMA(n+2/5)/GAMMA(2/5). 1
1, 0, 1, 1, 5, 20, 109, 695, 5142, 43193, 406016, 4222569, 48137291, 596902408, 7998492273, 115178288736, 1773745646540, 29089428603255, 506156057696641, 9313271461618196, 180677466355392996, 3685820313650017111 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

GAMMA(n+2/5)/GAMMA(2/5)=1, 2/5, 14/25, 168/125, 2856/625, 62832/3125, 1696464/15625, 54286848/78125, ... - R. J. Mathar, Sep 04 2016

LINKS

Table of n, a(n) for n=0..21.

MAPLE

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

CROSSREFS

Cf. A047055, A020084, A020129.

Sequence in context: A167145 A277032 A300490 * A319489 A207972 A117736

Adjacent sequences:  A020036 A020037 A020038 * A020040 A020041 A020042

KEYWORD

nonn

AUTHOR

Simon Plouffe

STATUS

approved

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Last modified April 6 12:08 EDT 2020. Contains 333273 sequences. (Running on oeis4.)