The Pell equation, by Edward Everett Whitford.

THE PELL EQUATION
1910 43 1 2 2 1 2 (8)
61 26 29 46 31 (10)
1911 43 1 2 1 1 (28)
62 25 38 49 (3)
1912 43 1 2 1 1 1 9 12 2 1 1 3 4 1 6 2 (10)
63 24 47 33 52 9 7 33 39 44 23 17 63 12 39 (8)
1913 43 1 2 1 4 2 1 1 10 2 1 11 1 4 (1) (1)
64 23 56 17 32 37 49 8 29 56 7 67 16 (43) (43)
1914 43 1 (2)
65 (22)
1915 43 1 3 5 1 1 2 29 3 3 1 5 2 14 7 1 (7)
66 21 15 46 39 29 35 9 26 21 59 14 39 6 11 69 (10)
1916 43 1 3 2 1 1 2 1 10 4 1 1 16 1 (20)
67 20 31 40 43 25 59 8 19 40 47 5 79 (4)
1917 43 1 3 1 1 1 1 1 (2)
68 19 47 36 41 37 44 (27)
1918 43 1 3 1 7 (6)
69 18 63 11 (14)
1919 43 1 4 6 17 2 1 3 3 (4)
70 17 14 5 31 49 22 25 (19)
1920 43 1 4 2 (21)
71 16 39 (4)
1921 43 1 4 1 5 1 10 9 1 1 1 5 5 (3) (3)
72 15 64 13 69 89 53 32 51 15 16 (25) (25)
1922 43 1 5 3 1 1 1 4 1 1 11 1 (42)
73 14 23 47 34 49 17 41 46 7 79 (2)
1923 43 1 5 1 3 7 1 2 2 (43)
74 13 59 22 11 57 26 37 (2)
1924 43 1 6 39 2 3 28 1 (20)
75 12 27 9 36 25 -3 81 (4)
1925 43 1 (6)
76 (11)
1926 43 1 7 1 3 1 2 1 2 1 1 16 1 (42)
77 10 63 19 54 25 50 27 38 49 5 81 (2)
1927 43 1 8 1 3 3 1 1 3 1 1 1 1 2 4 2 (43)
78 9 62 21 23 42 43 21 46 37 39 42 31 18 39 (2)
1928 43 1 (9)
79 (8)
1929 43 1 11 I 1 3 1 1 1 (28)
80 7 47 40 21 49 32 55 (3)
1930 43 1 13 1 1 1 (9) (9)
81 6 55 31 54 (9) (9)
1931 43 1 16 1 1 2 3 8 2 (43)
82 5 50 37 31 25 10 41 (2)

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