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A031429
Least term in period of continued fraction for sqrt(n) is 5.
1
27, 104, 231, 408, 635, 795, 912, 1167, 1239, 1616, 1866, 2043, 2134, 2520, 2621, 3047, 3158, 3387, 3504, 3624, 4251, 4515, 4927, 4928, 5358, 5655, 6432, 7259, 7779, 8136, 9062, 9063, 9833, 9840, 10040, 10241, 10650, 11067, 11491, 12144
OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 (first 300 terms from Vincenzo Librandi)
MATHEMATICA
Select[Range[15000], !IntegerQ[Sqrt[#]] && Min[ContinuedFraction[Sqrt[#]][[2]]] == 5&] (* Vincenzo Librandi, Feb 07 2012 *)
CROSSREFS
Sequence in context: A010015 A256646 A323034 * A154377 A232283 A036923
KEYWORD
nonn
STATUS
approved