195129

Appears in sequences

• Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n.at n=36A163619
• a(n) = Sum_{k=0..floor(n/3)} 3^k * 2^(n-3*k) * binomial(k,n-3*k)^2.at n=18A387482
• G.f. A(x) satisfies A(x) = 1 + x*(1-x^2)*A(x)^3.at n=9A388847