A004389 a(n) = binomial(8*n, n-8).

1, 72, 3160, 109736, 3321960, 91962520, 2392407864, 59487568920, 1429702652400, 33469894423680, 767464189477128, 17307292232623120, 385037822966765800, 8470484585302467168, 184606563010558803400, 3991697442876739754640, 85733828145510955528212

Offset

8,2

References

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 828.

Links

Vincenzo Librandi, Table of n, a(n) for n = 8..780

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

Maple

A004389:=n->binomial(8*n, n-8): seq(A004389(n), n=8..30); # Wesley Ivan Hurt, Apr 18 2017

Mathematica

Table[Binomial[8 n, n - 8], {n, 8, 40}] (* Vincenzo Librandi, Apr 20 2017 *)

Prog

(Magma) [Binomial(8*n, n-8): n in [8..30]]; // Vincenzo Librandi, Apr 20 2017

Crossrefs

Sequence in context: A141054 A173192 A004366 * A111598 A116312 A111782

Adjacent sequences: A004386 A004387 A004388 * A004390 A004391 A004392

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved