OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
EXAMPLE
Very few values are even, like 1848 and 2574 (in A067348).
MATHEMATICA
Do[s=Binomial[n, Floor[n/2]]/n^2; If[IntegerQ[s], Print[n]], {n, 1, 10000}]
PROG
(PARI) is(k) = !(binomial(k, k\2) % n^2); \\ Amiram Eldar, Aug 11 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Mar 18 2003
STATUS
approved