OFFSET
0,3
COMMENTS
a(n) = A299428(n) / (n+1)^2.
LINKS
Paul D. Hanna, Table of n, a(n) for n = 0..200
PROG
(PARI) {a(n) = binomial((n+1)*(2*n+1), n)/((n+1)*(2*n+1)) }
for(n=0, 20, print1(a(n), ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Feb 19 2018
STATUS
approved