OFFSET
0,2
FORMULA
a(n) = binomial(2n,n)*F(3n+1), where F(n) are the Fibonacci numbers (A000045).
MATHEMATICA
Table[Binomial[2n, n]Fibonacci[3n+1], {n, 0, 100}]
PROG
(Maxima) makelist(binomial(2*n, n)*fib(3*n+1), n, 0, 17);
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Emanuele Munarini, Feb 29 2012
STATUS
approved