A040405 - OEIS

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A040405

Continued fraction for sqrt(426).

20, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2, 6, 2, 3, 1, 1, 1, 40, 1, 1, 1, 3, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index entries for continued fractions for constants`
	FORMULA	`a(n)=(1/396){-1256(n mod 12)+31[(n+1) mod 12]+31[(n+2) mod 12]+97[(n+3) mod 12]-2[(n+4) mod 12]+163[(n+5) mod 12]-101[(n+6) mod 12]+64[(n+7) mod 12]-35[(n+8) mod 12]+31[(n+9) mod 12]+31[(n+10) mod 12]+1318[(n+11) mod 12]}-20[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Apr 30 2009]`
	MAPLE	`with(numtheory): Digits := 300: convert(evalf(sqrt(426)), confrac);`
	CROSSREFS	`Sequence in context: A198800 A060430 A040404 * A040406 A040403 A040402` `Adjacent sequences: A040402 A040403 A040404 * A040406 A040407 A040408`
	KEYWORD	`nonn,cofr,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 16:00 EST 2012. Contains 206050 sequences.