Number of classes per genus in quadratic field with discriminant -4n+1.

Terms

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