OFFSET
30,1
FORMULA
a(n) = C(n - 15, 15) + C(n - 16, 14)
EXAMPLE
For n = 30 a(30) = C(15, 15) + C(14, 14) = 2
MATHEMATICA
Table[Binomial[n-15, 15]+Binomial[n-16, 14], {n, 30, 60}] (* Harvey P. Dale, May 16 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zoltán Lőrincz, Mar 30 2011
STATUS
approved