login
Numbers k such 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 42.
0

%I #12 Jul 06 2024 16:02:35

%S 1766,1774,1782,1814,1822,1826,1838,1842,1858,1874,1878,1886,1894,

%T 1922,1926,1934,3972,3981,3993,4038,4101,4107,4116,4143,4161,4179,

%U 4188,4197,4209,4254,4269,4281,4287,4317,4341,4353,7060,7076,7108,7116,7124,7132

%N Numbers k such 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 42.

%K nonn

%O 1,1

%A _David W. Wilson_