OFFSET
1,3
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[0, 600], Divisible[Binomial[2*#, #], #^2 + 1] &] (* Amiram Eldar, May 08 2022 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, Apr 09 2003
EXTENSIONS
a(1) = 0 inserted by Amiram Eldar, May 08 2022
STATUS
approved