2339064

Appears in sequences

• a(1) = 1 and a(n) = Sum_{k = 0..n-2} (-1)^k * binomial(n,k)^2 * binomial(n-2,k) for n >= 2.at n=11A361711
• A008336(n) is divisible by the product of the primes p such that n/2 <= p < n; a(n) is the quotient.at n=51A370971