OFFSET
1,5
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..10000
MAPLE
seq(binomial(2*n, n)^2/(n+1)^2 mod ithprime(n), n=1..100); # Robert Israel, Sep 03 2014
MATHEMATICA
Table[Mod[CatalanNumber[n]^2, Prime[n]], {n, 70}]
PROG
(Magma) [Catalan(n)^2 mod NthPrime(n): n in [1..70]];
(Python)
from sympy import prime
from gmpy2 import divexact, t_mod
A246763, c = [1], 1
for n in range(2, 10**2):
....c = divexact(c*(4*n-2), (n+1))
....A246763.append(t_mod(c**2, prime(n))) # Chai Wah Wu, Sep 04 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Sep 03 2014
STATUS
approved