A040404 - OEIS

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A040404

Continued fraction for sqrt(425).

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

	OFFSET	`0,1`
	LINKS	`Index entries for continued fractions for constants`
	FORMULA	`a(n)=(1/147){-773(n mod 7)+46[(n+1) mod 7]+46[(n+2) mod 7]+46[(n+3) mod 7]+46[(n+4) mod 7]+46[(n+5) mod 7]+865[(n+6) mod 7]}-20[C(2n,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(425)), confrac);`
	CROSSREFS	`Sequence in context: A086684 A198800 A060430 * A040405 A040406 A040403` `Adjacent sequences: A040401 A040402 A040403 * A040405 A040406 A040407`
	KEYWORD	`nonn,cofr,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 20:10 EST 2012. Contains 205960 sequences.