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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
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 790046070, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
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
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Vincenzo Librandi, Dec 23 2013
STATUS
approved