166861

Properties

Appears in sequences

• Primes of the form prime(n)^2 - prime(n+1) - 1.at n=33A097938
• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1001-1111-0110 pattern in any orientation.at n=13A147416
• Numbers k such that one of k, k+1, k+2 is prime and the other two are semiprimes, and one of R(n), R(n+1), R(n+2) is prime and the other two are semiprimes, where R = A004086.at n=35A354285
• Prime numbersat n=15244