OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..7
MAPLE
a:= n-> (<<0|1>, <1|1>>^binomial(2*n, n))[1, 2]:
seq(a(n), n=0..6);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jan 21 2017
STATUS
approved