Numbers k such that the continued fraction for sqrt(k) has period 40.

Terms

a(0) =526a(1) =589a(2) =718a(3) =721a(4) =862a(5) =1399a(6) =1401a(7) =1468a(8) =1661a(9) =2229a(10) =2428a(11) =2575a(12) =2606a(13) =2681a(14) =2766a(15) =2818a(16) =2872a(17) =2879a(18) =2942a(19) =3064a(20) =3084a(21) =3177a(22) =3289a(23) =3322a(24) =3415a(25) =3516a(26) =3623a(27) =3712a(28) =3904a(29) =3914