228257

Properties

Appears in sequences

• Numerator of Hermite(n, 1/4).at n=8A158954
• Primes p such that p,q,r,s are consecutive primes and 2p+9, 2q+9, 2r+9, 2s+9 are also primes.at n=30A190354
• a(n) = n! * Sum_{k=0..floor(n/2)} (-n/2)^k * binomial(n-k,k)/(n-k)!.at n=8A362276
• Prime numbersat n=20280