A010333 - OEIS

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A010333

Numbers n such that continued fraction for sqrt(n) has odd period length (periods).

1, 1, 1, 5, 1, 1, 5, 1, 3, 1, 5, 7, 11, 1, 7, 5, 1, 5, 5, 11, 1, 9, 15, 9, 1, 5, 3, 9, 1, 9, 17, 1, 5, 21, 5, 13, 1, 7, 5, 1, 5, 11, 17, 7, 1, 9, 3, 7, 21, 13, 1, 5, 11, 17, 7, 11, 1, 19, 5, 5 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	CROSSREFS	`Cf. A003814.` `Sequence in context: A179773 A071170 A108691 * A131777 A046607 A152717` `Adjacent sequences: A010330 A010331 A010332 * A010334 A010335 A010336`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Walter Gilbert`

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Last modified February 16 03:44 EST 2012. Contains 205860 sequences.