login
A020077
a(n) = floor( Gamma(n+3/7)/Gamma(3/7) ).
7
1, 0, 0, 1, 5, 22, 122, 787, 5852, 49330, 465112, 4850460, 55433829, 688963306, 9251792972, 133490155743, 2059562402902, 33835668047686, 589707357402530, 10867464157846629, 211139303638163096, 4313274345751046120
OFFSET
0,5
LINKS
MAPLE
Digits := 64:f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(3/7, n)), n = 0..25); # G. C. Greubel, Nov 17 2019
MATHEMATICA
Floor[Pochhammer[3/7, Range[0, 25]]] (* G. C. Greubel, Nov 17 2019 *)
PROG
(PARI) vector(26, n, my(x=3/7); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 17 2019
(Magma) [Floor(Gamma(n+3/7)/Gamma(3/7)): n in [0..25]]; // G. C. Greubel, Nov 17 2019
(Sage) [floor(rising_factorial(3/7, n)) for n in (0..25)] # G. C. Greubel, Nov 17 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved