login
A031696
Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 18.
1
82, 326, 732, 1300, 2030, 2922, 3976, 5192, 6570, 8110, 9812, 11676, 13702, 15890, 18240, 20752, 23426, 26262, 29260, 32420, 32780, 35742, 39226, 42872, 46680, 50650, 54782, 59076, 63532, 68150, 72930, 77872, 82976, 88242, 93670, 99260, 105012
OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[110000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==18&] (* Vincenzo Librandi, Jan 27 2012 *)
CROSSREFS
Sequence in context: A248405 A116341 A102956 * A005972 A082972 A288920
KEYWORD
nonn
STATUS
approved