OFFSET
0,2
LINKS
Robert Israel, Table of n, a(n) for n = 0..42
MAPLE
f:= n -> binomial(binomial(2*n, n), n):
map(f, [$0..12]); # Robert Israel, Jan 15 2017
PROG
(PARI) a(n)=binomial(binomial(2*n, n), n)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 05 2002
EXTENSIONS
Edited by N. J. A. Sloane at the suggestion of Vladeta Jovovic, Apr 14 2008
STATUS
approved