A040214 - OEIS

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A040214

Continued fraction for sqrt(230).

15, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index entries for continued fractions for constants`
	FORMULA	`a(n)=(1/2)[18+12(-1)^n]-15[C(2n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Apr 23 2009]`
	MAPLE	`with(numtheory): Digits := 300: convert(evalf(sqrt(230)), confrac);`
	CROSSREFS	`Sequence in context: A128251 A064107 A116907 * A111298 A040213 A097532` `Adjacent sequences: A040211 A040212 A040213 * A040215 A040216 A040217`
	KEYWORD	`nonn,cofr,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 13:24 EST 2012. Contains 206031 sequences.