A041023 - OEIS

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A041023

Denominators of continued fraction convergents to sqrt(15).

1, 1, 7, 8, 55, 63, 433, 496, 3409, 3905, 26839, 30744, 211303, 242047, 1663585, 1905632, 13097377, 15003009, 103115431, 118118440, 811826071, 929944511, 6391493137, 7321437648, 50320119025 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`Empirical G.f.: (1+x-x^2)/(1-8*x^2+x^4) [Colin Barker, Jan 01 2012]`
	MATHEMATICA	`Denominator[NestList[(6/(6+#))&, 0, 60]] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 13 2010]`
	CROSSREFS	`Cf. A041022.` `Sequence in context: A038274 A201919 A094556 * A041108 A137145 A192373` `Adjacent sequences: A041020 A041021 A041022 * A041024 A041025 A041026`
	KEYWORD	`nonn,cofr,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 08:00 EST 2012. Contains 205881 sequences.