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A042929
Denominators of continued fraction convergents to sqrt(996).
2
1, 1, 2, 7, 9, 25, 59, 84, 143, 227, 1051, 1278, 2329, 3607, 9543, 22693, 32236, 119401, 151637, 271038, 16955993, 17227031, 34183024, 119776103, 153959127, 427694357, 1009347841, 1437042198, 2446390039, 3883432237, 17980118987, 21863551224
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, 17107630, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 17107630*a(n-20) - a(n-40) for n > 39. - Vincenzo Librandi, Feb 01 2014
MATHEMATICA
Denominator[Convergents[Sqrt[996], 30]] (* Vincenzo Librandi, Feb 01 2014 *)
CROSSREFS
Sequence in context: A065139 A093916 A042451 * A082962 A041197 A080157
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Vincenzo Librandi, Feb 01 2014
STATUS
approved