139133

Properties

Appears in sequences

• Primes of the form p^2 + 4, where p is prime.at n=22A045637
• Number of asymmetric types of (3,n)-hypergraphs without isolated nodes, under action of symmetric group S_3; asymmetric n-covers of an unlabeled 3-set.at n=17A055538
• Prime p1 of the form a^b + c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164076) is also prime.at n=25A164075
• List of primes of the form x^2+y^2 such that tau(x^2+y^2) = bigomega(x*y).at n=34A174024
• Values of q in A176983.at n=23A177831
• Prime numbersat n=12935