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A042521
Denominators of continued fraction convergents to sqrt(789).
2
1, 11, 45, 56, 101, 258, 875, 1133, 15604, 47945, 63549, 175043, 3214323, 6603689, 9818012, 36057725, 478568437, 514626162, 2022446923, 4559520008, 6581966931, 11141486939, 51147914687, 573768548496, 32182186630463, 354577821483589
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, 0, 0, 0, 0, 0, 0, 0, 0, 32233334545150, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 32233334545150*a(n-24) - a(n-48) for n>47. - Vincenzo Librandi, Jan 23 2014
MATHEMATICA
Denominator[Convergents[Sqrt[789], 30]] (* Harvey P. Dale, Oct 01 2012 *)
CROSSREFS
Sequence in context: A120537 A068596 A002089 * A041228 A022280 A154106
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 23 2014
STATUS
approved