Discriminants of quadratic number fields Q(sqrt -n) for n squarefree.

Terms

a(0) =-4a(1) =-8a(2) =-3a(3) =-20a(4) =-24a(5) =-7a(6) =-40a(7) =-11a(8) =-52a(9) =-56a(10) =-15a(11) =-68a(12) =-19a(13) =-84a(14) =-88a(15) =-23a(16) =-104a(17) =-116a(18) =-120a(19) =-31a(20) =-132a(21) =-136a(22) =-35a(23) =-148a(24) =-152a(25) =-39a(26) =-164a(27) =-168a(28) =-43a(29) =-184