A040401 - OEIS

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A040401

Continued fraction for sqrt(422).

20, 1, 1, 5, 2, 1, 3, 20, 3, 1, 2, 5, 1, 1, 40, 1, 1, 5, 2, 1, 3, 20, 3, 1, 2, 5, 1, 1, 40, 1, 1, 5, 2, 1, 3, 20, 3, 1, 2, 5, 1, 1, 40, 1, 1, 5, 2, 1, 3, 20, 3, 1, 2, 5, 1, 1, 40, 1, 1, 5, 2, 1, 3, 20, 3, 1, 2, 5, 1, 1, 40, 1, 1, 5, 2, 1, 3, 20, 3, 1, 2, 5, 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)=(1/1274){-3463(n mod 14)+86[(n+1) mod 14]+450[(n+2) mod 14]-187[(n+3) mod 14]-5[(n+4) mod 14]+268[(n+5) mod 14]+1633[(n+6) mod 14]-1461[(n+7) mod 14]-96[(n+8) mod 14]+177[(n+9) mod 14]+359[(n+10) mod 14]-278[(n+11) mod 14]+86[(n+12) mod 14]+3635[(n+13) mod 14]}-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(422)), confrac);`
	CROSSREFS	`Sequence in context: A040406 A040403 A040402 * A040400 A139459 A154652` `Adjacent sequences: A040398 A040399 A040400 * A040402 A040403 A040404`
	KEYWORD	`nonn,cofr,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 10:16 EST 2012. Contains 205614 sequences.