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A041749 Denominators of continued fraction convergents to sqrt(394). 2
1, 1, 6, 7, 13, 20, 73, 93, 352, 1853, 4058, 9969, 53903, 171678, 225581, 848421, 1074002, 1922423, 2996425, 16904548, 19900973, 773141522, 793042495, 4738353997, 5531396492, 10269750489, 15801146981, 57673191432, 73474338413, 278096206671 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

FORMULA

a(n) = 790046070*a(n-21) + a(n-42) for n>41. - Vincenzo Librandi, Dec 23 2013

MATHEMATICA

Denominator/@Convergents[Sqrt[394], 30]  (* Harvey P. Dale, Apr 23 2011 *)

CROSSREFS

Cf. A041748.

Sequence in context: A022096 A041175 A041074 * A042723 A160825 A020689

Adjacent sequences:  A041746 A041747 A041748 * A041750 A041751 A041752

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Dec 23 2913

STATUS

approved

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Last modified December 13 12:49 EST 2018. Contains 318086 sequences. (Running on oeis4.)