Primes of the form 64k+21.

Terms

a(0) =149a(1) =277a(2) =661a(3) =853a(4) =1109a(5) =1237a(6) =1301a(7) =1429a(8) =1493a(9) =1621a(10) =1877a(11) =2069a(12) =2389a(13) =2837a(14) =3221a(15) =3413a(16) =3541a(17) =3733a(18) =3797a(19) =3989a(20) =4373a(21) =5077a(22) =5333a(23) =5653a(24) =5717a(25) =6037a(26) =6101a(27) =6229a(28) =6421a(29) =6869