Primes p of the form n^2-n-1 (for prime n) such that p^2-p-1 is also prime.
A237641
Primes p of the form n^2-n-1 (for prime n) such that p^2-p-1 is also prime.
Terms
- a(0) =5a(1) =236681a(2) =380071a(3) =457651a(4) =563249a(5) =1441199a(6) =1660231a(7) =2491661a(8) =3050261a(9) =4106701a(10) =5137021a(11) =5146091a(12) =5329171a(13) =10617821a(14) =15574861a(15) =19860391a(16) =20852921a(17) =21349019a(18) =21497131a(19) =23025601a(20) =24507449a(21) =32495699a(22) =36342811a(23) =48867089a(24) =51129649a(25) =59082281
External references
- oeis: A237641