A042589 Denominators of continued fraction convergents to sqrt(823).

1, 1, 3, 13, 16, 125, 266, 391, 657, 1048, 1705, 14688, 16393, 309762, 1255441, 2820644, 4076085, 15048899, 34173883, 83396665, 451157208, 534553873, 14884111779, 15418665652, 91977440039, 199373545730