Numbers y such that p = x^2 + 7y^2, with prime p = A033207(n).

Terms

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