Numbers k such that (prime(j)-1)^2 + 1 is prime for k <= j <= k + 2.

Terms

a(0) =1a(1) =2a(2) =3a(3) =53a(4) =678a(5) =1990a(6) =5154a(7) =5632a(8) =6412a(9) =8022a(10) =8715a(11) =11211a(12) =13182a(13) =16632a(14) =16793a(15) =17263a(16) =18755a(17) =19484a(18) =23458a(19) =25693a(20) =26960a(21) =28005a(22) =28492a(23) =29024a(24) =31055a(25) =36084a(26) =41707a(27) =44434a(28) =44642a(29) =44936