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URL: https://oeis.org/A042659

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A042659
Denominators of continued fraction convergents to sqrt(859).
2
1, 3, 13, 68, 81, 149, 230, 609, 1448, 4953, 11354, 220679, 1997465, 2218144, 6433753, 8651897, 15085650, 68994497, 84080147, 321234938, 3617664465, 7556563868, 48957047673, 1427310946385, 8612822725983, 18652956398351, 213795343107844, 660038985721883
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4117689543959286120248020, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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) = 4117689543959286120248020*a(n-46) - a(n-92) for n>91. - Vincenzo Librandi, Jan 26 2014
MATHEMATICA
Denominator[Convergents[Sqrt[859], 30]] (* Vincenzo Librandi, Jan 26 2014 *)
CROSSREFS
Sequence in context: A020017 A060014 A182666 * A391525 A054132 A047149
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Vincenzo Librandi, Jan 26 2014
STATUS
approved