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A041871
Denominators of continued fraction convergents to sqrt(457).
2
1, 2, 3, 5, 8, 45, 98, 1319, 1417, 5570, 6987, 33518, 40505, 74023, 336597, 410620, 1568457, 1979077, 27296458, 56571993, 310156423, 366728416, 676884839, 1043613255, 2764111349, 117136289913, 237036691175, 354172981088, 591209672263, 945382653351
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, 118179903168, 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) = 118179903168*a(n-25) + a(n-50) for n>49. - Vincenzo Librandi, Dec 26 2013
MATHEMATICA
Denominator[Convergents[Sqrt[457], 30]] (* Vincenzo Librandi, Dec 26 2013 *)
CROSSREFS
Cf. A041870.
Sequence in context: A268480 A128485 A042471 * A061249 A042237 A042937
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 26 2013
STATUS
approved