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A041971
Denominators of continued fraction convergents to sqrt(508).
2
1, 1, 2, 11, 13, 193, 978, 1171, 2149, 7618, 32621, 40239, 113099, 153338, 266437, 419775, 4464187, 4883962, 9348149, 14232111, 37812371, 52044482, 245990299, 790015379, 1036005678, 1826021057, 10166110963, 144151574539, 154317685502, 915740002049
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, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 89515213717502, 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) = 89515213717502*a(n-32) - a(n-64) for n>63. - Vincenzo Librandi, Dec 28 2013
MATHEMATICA
Denominator[Convergents[Sqrt[508], 30]] (* Vincenzo Librandi, Dec 28 2013 *)
CROSSREFS
Cf. A041970.
Sequence in context: A041163 A073914 A266991 * A299531 A106660 A130288
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 28 2013
STATUS
approved