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A031430 Least term in period of continued fraction for sqrt(n) is 6. 1
10, 38, 84, 148, 230, 330, 448, 584, 632, 738, 910, 1100, 1308, 1534, 1613, 1778, 2040, 2320, 2618, 2822, 2934, 3268, 3620, 3990, 4378, 4511, 4784, 5208, 5353, 5650, 5954, 6110, 6267, 6588, 7084, 7588, 7598, 8130, 8680, 9248, 9834, 10438 (list; graph; refs; listen; history; text; internal format)
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]]] == 6&] (* Vincenzo Librandi, Feb 07 2012 *)

CROSSREFS

Sequence in context: A215881 A279543 A065009 * A154517 A034859 A197060

Adjacent sequences:  A031427 A031428 A031429 * A031431 A031432 A031433

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified October 27 09:08 EDT 2020. Contains 338035 sequences. (Running on oeis4.)