Class number of quadratic forms with discriminant 4n, n == 2,3^( mod 4).

Terms

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