Primes p such that 2*p+1 and ((2*p+1)^2 + 1)/2 = p^2 + (p+1)^2 are primes.

Terms

a(0) =2a(1) =5a(2) =29a(3) =719a(4) =1229a(5) =1409a(6) =1559a(7) =2039a(8) =2399a(9) =2699a(10) =2939a(11) =3449a(12) =3779a(13) =6269a(14) =6899a(15) =7079a(16) =8069a(17) =9689a(18) =12959a(19) =13619a(20) =14009a(21) =14249a(22) =14879a(23) =19559a(24) =20369a(25) =20759a(26) =21089a(27) =22079a(28) =22469a(29) =23459