A031629 Numbers n such that continued fraction for sqrt(n) has odd period and central terms 41.

1682, 3853, 35050, 35425, 51197, 53021, 71993, 74153, 95089, 96946, 122789, 124193, 126314, 152461, 154025, 157177, 190537, 223313, 228058, 230929, 232853, 266881, 267914, 268949, 269986, 273109, 274154, 275201, 314329, 363245, 368077, 409282