Primes p such that p$ + 1 is also prime. Here '$' denotes the swinging factorial function (A056040).

A163079

Primes p such that p$ + 1 is also prime. Here '$' denotes the swinging factorial function (A056040).

Terms

    a(0) =2a(1) =3a(2) =5a(3) =31a(4) =67a(5) =139a(6) =631a(7) =9743a(8) =16253a(9) =17977a(10) =27901a(11) =37589

External references