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
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].
Milan Janjic, Two Enumerative Functions.
FORMULA
D-finite with recurrence -2*(2*n+11)*(n-12)*(n+6)*a(n) +3*n*(3*n-1)*(3*n-2)*a(n-1)=0. - R. J. Mathar, Jan 13 2025
a(n) ~ 3^(3*n)/(2^(2*n+13)*sqrt(n*Pi/3)). - Stefano Spezia, Jan 13 2025
MATHEMATICA
Table[Binomial[3*n, n - 12], {n, 12, 35}] (* Paolo Xausa, Jan 13 2025 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved