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A041475
Denominators of continued fraction convergents to sqrt(253).
2
1, 1, 10, 11, 21, 32, 85, 117, 904, 3733, 8370, 20473, 49316, 217737, 1573475, 1791212, 5155899, 6947111, 12103010, 19050121, 183554099, 202604220, 6261680699, 6464284919, 64440244970, 70904529889, 135344774859, 206249304748, 547843384355, 754092689103
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, 6445234798, 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) = 6445234798*a(n-22) - a(n-44) for n>43. [Bruno Berselli, Dec 18 2013]
MATHEMATICA
Denominator[Convergents[Sqrt[253], 30]] (* Vincenzo Librandi, Dec 18 2013 *)
CROSSREFS
Cf. A041474.
Sequence in context: A277588 A339138 A022100 * A041204 A041202 A324550
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 18 2013
STATUS
approved