Primes p such that both prevprime(p^2) - 2 and nextprime(p^2) + 2 are also primes.

Terms

a(0) =3a(1) =251a(2) =409a(3) =647a(4) =1031a(5) =1669a(6) =6469a(7) =6679a(8) =12043a(9) =18313a(10) =18517a(11) =31583a(12) =31643a(13) =32957a(14) =33479a(15) =33529a(16) =37783a(17) =39733a(18) =40163a(19) =44071a(20) =58441a(21) =67189a(22) =68279a(23) =83009a(24) =83117a(25) =83423a(26) =87671a(27) =90481a(28) =96001a(29) =98479