Primes p for which p^n - 2 is prime for n = 1, 3, 5 and 7.
A242518
Primes p for which p^n - 2 is prime for n = 1, 3, 5 and 7.
Terms
- a(0) =201829a(1) =2739721a(2) =6108679a(3) =7883329a(4) =9260131a(5) =9309721a(6) =9917389a(7) =14488249a(8) =15386491a(9) =15876481a(10) =16685299a(11) =16967191a(12) =18145279a(13) =20566969a(14) =20869129a(15) =21150991a(16) =23194909a(17) =25510189a(18) =28406929a(19) =34669909a(20) =35039311a(21) =36795169a(22) =37912141a(23) =39083521a(24) =39805639
External references
- oeis: A242518