388519

Properties

Appears in sequences

• G.f. A(x) satisfies: A(x) = 1 + x * A(x)^3 / (1 - 2 * x).at n=8A349318
• Primes of the form T(p) - 2 where T(p) is the triangular number (A000217) with prime index p in A357218.at n=36A357219
• Prime numbersat n=32949