A004326 Binomial coefficient C(3n,n-8).

1, 27, 435, 5456, 58905, 575757, 5245786, 45379620, 377348994, 3042312350, 23930713170, 184509266760, 1399358844975, 10468434365991, 77413632286320, 566877686933536, 4116305022165108, 29673694525643100

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

Seiichi Manyama, Table of n, a(n) for n = 8..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: A307911 A125484 A022751 * A233022 A289902 A028166

Adjacent sequences: A004323 A004324 A004325 * A004327 A004328 A004329

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved