Class number of maximal order in real quadratic field of radicand n.

Terms

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