211061

Properties

Appears in sequences

• Lower of twin primes (p,p+2) such that (p*(p+2))^2 + p^2 - (p+2)^2 and (p*(p+2))^2 - p^2 + (p+2)^2 are both prime.at n=17A079812
• a(n) = b_f(n) where f is the 3-periodic sequence [-1,1,5] (see comments).at n=20A186267
• Records of A195325.at n=17A195329
• Prime numbersat n=18896