Consider all primes of form p = (x^2 + 11y^2 )/4; sequence gives values of y.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =3a(6) =2a(7) =4a(8) =1a(9) =3a(10) =5a(11) =5a(12) =3a(13) =6a(14) =1a(15) =7a(16) =3a(17) =6a(18) =5a(19) =3a(20) =7a(21) =6a(22) =9a(23) =9a(24) =5a(25) =8a(26) =4a(27) =10a(28) =9a(29) =7