1111013

Properties

Appears in sequences

• a(0) = 1; a(n+1) = Sum_{k=0..n} a(n-k)*a(floor(k/2)).at n=20A127680
• Primes p such that if q is the next prime, A004086(p*q) = A004086(p)*A004086(q).at n=30A349709
• Prime numbersat n=86528