Primes p such that exactly one of 2^(p+1) - 3 and 2^(p+1) + 3 is a prime.
A331487
Primes p such that exactly one of 2^(p+1) - 3 and 2^(p+1) + 3 is a prime.
Terms
- a(0) =13a(1) =17a(2) =19a(3) =23a(4) =29a(5) =83a(6) =149a(7) =173a(8) =227a(9) =389a(10) =1109a(11) =4001a(12) =35753a(13) =36551a(14) =363119a(15) =702193
External references
- oeis: A331487