

A031545


that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 47.


0



2211, 2227, 2231, 2239, 2243, 2251, 2263, 2267, 2283, 2287, 2311, 2339, 2347, 2351, 2363, 2371, 2383, 2399, 8840, 8864, 8872, 8896, 8936, 8960, 9032, 9056, 9088, 9160, 9256, 9320, 9344, 9376, 9440, 9448, 9472, 9512, 9536, 9600, 19887, 19959, 20031
(list;
graph;
refs;
listen;
history;
text;
internal format)




