203617

Properties

Appears in sequences

• Least prime p such that pi(p*n)^2 + 1 = prime(q*n) for some prime q.at n=41A260219
• Primes p = x^2 + y^2, not of the form z^2 + 1, such that 2^(x^2) == 2^(y^2) == 1 (mod p).at n=21A299103
• Number of compositions of n whose multiplicities are distinct and cover an initial interval of positive integers.at n=26A329740
• Prime numbersat n=18273