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A041858 Numerators of continued fraction convergents to sqrt(451). 2
21, 85, 361, 807, 6817, 143964, 1158529, 2461022, 11002617, 46471490, 1962805197, 7897692278, 33553574309, 75004840896, 633592301477, 13380443171913, 107677137676781, 228734718525475, 1022616011778681 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 92942980, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 92942980*a(n-10) - a(n-20). - Wesley Ivan Hurt, Jan 20 2024
MATHEMATICA
Numerator[Convergents[Sqrt[451], 30]] (* Vincenzo Librandi, Nov 11 2013 *)
CROSSREFS
Cf. A041859.
Sequence in context: A116972 A221475 A277356 * A217549 A063651 A220613
KEYWORD
nonn,cofr,frac,easy,less
AUTHOR
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)