A040390 - OEIS

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A040390

Continued fraction for sqrt(411).

20, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1, 19, 1, 1, 1, 3, 40, 3, 1, 1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index entries for continued fractions for constants`
	FORMULA	`a(n)=(1/450){-1594(n mod 10)-19[(n+1) mod 10]+71[(n+2) mod 10]+71[(n+3) mod 10]+881[(n+4) mod 10]-739[(n+5) mod 10]+71[(n+6) mod 10]+71[(n+7) mod 10]+161[(n+8) mod 10]+1736[(n+9) mod 10]}-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(411)), confrac);`
	CROSSREFS	`Sequence in context: A040397 A040398 A040399 * A040391 A195600 A118295` `Adjacent sequences: A040387 A040388 A040389 * A040391 A040392 A040393`
	KEYWORD	`nonn,cofr,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 16:13 EST 2012. Contains 206050 sequences.