A051615 Primes for which A051614 is 3.

5, 11, 17, 23, 29, 41, 47, 53, 71, 83, 89, 107, 113, 131, 137, 167, 173, 179, 191, 197, 227, 233, 239, 251, 257, 263, 281, 293, 317, 347, 359, 401, 419, 431, 443, 449, 467, 491, 509, 557, 569, 587, 593, 599, 617, 641, 647, 653, 659, 677, 683, 701, 719, 743

Offset: 1

Author

Labos Elemer

Keywords

• nonn

Crossrefs

Cf. A000945, A051309 - A051335, A005384.

Formula

Odd p values such that F(2*p*F(2*p+1)+1)=3, where F(x) is the least prime divisor of x.