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A065029 Period length of the continued fraction for sqrt(2)*n (A064848) is 2. 0
2, 3, 6, 10, 12, 17, 34, 35, 51, 58, 68, 70, 99, 102, 136, 198, 204, 338, 396, 408, 495, 577, 693, 990, 1154, 1189, 1386, 1731, 1970, 1980, 2308, 2378, 2772, 3363, 3462, 3465, 4616, 6726, 6895, 6924, 6930, 9232, 9809, 11482, 13452, 13790, 13848, 13860 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

MATHEMATICA

Select[ Range[ 25000], Length[ Last[ ContinuedFraction[ Sqrt[2] *# ]]] == 2 & ]

CROSSREFS

Cf. A064933.

Sequence in context: A104074 A140785 A038775 * A239212 A280558 A216920

Adjacent sequences:  A065026 A065027 A065028 * A065030 A065031 A065032

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Nov 02 2001

STATUS

approved

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Last modified June 19 20:57 EDT 2021. Contains 345146 sequences. (Running on oeis4.)