login
A042051
Denominators of continued fraction convergents to sqrt(549).
2
1, 2, 7, 65, 722, 787, 1509, 2296, 3805, 17516, 21321, 38837, 60158, 98995, 1149103, 10440922, 32471869, 75384660, 3500166229, 7075717118, 24727317583, 229621575365, 2550564646598, 2780186221963, 5330750868561, 8110937090524, 13441687959085, 61877688926864
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, 3532638098, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 3532638098*a(n-18) - a(n-36). - Wesley Ivan Hurt, Jun 26 2022
MATHEMATICA
Denominator[Convergents[Sqrt[549], 30]] (* Vincenzo Librandi, Jan 13 2014 *)
CROSSREFS
Cf. A042050.
Sequence in context: A046855 A179043 A116985 * A196925 A246865 A133237
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Vincenzo Librandi, Jan 13 2014
STATUS
approved