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A041789
Denominators of continued fraction convergents to sqrt(415).
2
1, 2, 3, 8, 35, 218, 253, 471, 1666, 2137, 3803, 24955, 103623, 232201, 335824, 903849, 36489784, 73883417, 110373201, 294629819, 1288892477, 8027984681, 9316877158, 17344861839, 61351462675, 78696324514, 140047787189, 918983047648, 3815979977781
OFFSET
0,2
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, 36825608, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 36825608*a(n-16) - a(n-32) for n>31. - Vincenzo Librandi, Dec 24 2013
MATHEMATICA
Denominator/@Convergents[Sqrt[415], 30] (* Harvey P. Dale, Apr 22 2011 *)
CROSSREFS
Cf. A041788.
Sequence in context: A112866 A041657 A191274 * A174899 A201370 A233532
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 24 2013
STATUS
approved