A020122 Ceiling of Gamma(n+3/7)/Gamma(3/7).

1, 1, 1, 2, 6, 23, 123, 788, 5853, 49331, 465113, 4850461, 55433830, 688963307, 9251792973, 133490155744, 2059562402903, 33835668047687, 589707357402531, 10867464157846630, 211139303638163097, 4313274345751046121

Offset

0,4

Links

Robert Israel, Table of n, a(n) for n = 0..449

Maple

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

Crossrefs

Cf. A220608.

Sequence in context: A177253 A358609 A364791 * A327426 A086554 A213324

Adjacent sequences: A020119 A020120 A020121 * A020123 A020124 A020125

Keyword

nonn

Author

Simon Plouffe

Status

approved