Nonsquarefree k such that Pell equation x^2 - k*y^2 = -1 is soluble.

Terms

a(0) =50a(1) =125a(2) =250a(3) =325a(4) =338a(5) =425a(6) =845a(7) =925a(8) =1025a(9) =1250a(10) =1325a(11) =1445a(12) =1450a(13) =1525a(14) =1625a(15) =1682a(16) =1825a(17) =1850a(18) =2050a(19) =2125a(20) =2197a(21) =2425a(22) =2725a(23) =2738a(24) =2825a(25) =2873a(26) =2890a(27) =3050a(28) =3125a(29) =3250