OFFSET
1,2
LINKS
David A. Corneth, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Catalan Number
EXAMPLE
70 = 5*14 = C(3)*C(4). - David A. Corneth, Mar 26 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Apr 14 2020
STATUS
approved