A004330 Binomial coefficient C(3n,n-12).

1, 39, 861, 14190, 194580, 2349060, 25827165, 264385836, 2558620845, 23667689815, 210980549208, 1823810410032, 15363284301456, 126600387152400, 1023729916348425, 8144022047817960, 63871405575418665

Offset

12,2

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

Seiichi Manyama, Table of n, a(n) for n = 12..1000

Milan Janjic, Two Enumerative Functions.

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].

Crossrefs

Sequence in context: A268983 A293918 A264458 * A069418 A194477 A016091

Adjacent sequences: A004327 A004328 A004329 * A004331 A004332 A004333

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved