|
|
A020074
|
|
a(n) = floor( Gamma(n+6/7)/Gamma(6/7) ).
|
|
7
|
|
|
1, 0, 1, 4, 17, 85, 499, 3422, 26888, 238157, 2347553, 25487720, 302211542, 3885576978, 53842995267, 799953072548, 12684970150410, 213832353964066, 3818434892215473, 72004772253206072, 1429809049027949159
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,4
|
|
LINKS
|
|
|
MAPLE
|
Digits := 64:f := proc(n, x) trunc(GAMMA(n+x)/GAMMA(x)); end;
seq(floor(pochhammer(6/7, n)), n = 0..25); # G. C. Greubel, Nov 17 2019
|
|
MATHEMATICA
|
Floor[Pochhammer[6/7, Range[0, 25]]] (* G. C. Greubel, Nov 17 2019 *)
|
|
PROG
|
(PARI) vector(26, n, my(x=6/7); gamma(n-1+x)\gamma(x) ) \\ G. C. Greubel, Nov 17 2019
(Magma) [Floor(Gamma(n+6/7)/Gamma(6/7)): n in [0..25]]; // G. C. Greubel, Nov 17 2019
(Sage) [floor(rising_factorial(6/7, n)) for n in (0..25)] # G. C. Greubel, Nov 17 2019
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|