Minimal primorial safe primes: p and primorial*p + 1 are both primes.

A051902

Minimal primorial safe primes: p and primorial*p + 1 are both primes.

Terms

    a(0) =5a(1) =13a(2) =61a(3) =421a(4) =4621a(5) =150151a(6) =8678671a(7) =106696591a(8) =2454021571a(9) =71166625531a(10) =401120980261

External references