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A041824
Numerators of continued fraction convergents to sqrt(433).
2
20, 21, 104, 437, 978, 2393, 3371, 12506, 165949, 178455, 344404, 522859, 867263, 11797278, 36259097, 48056375, 132371847, 312800069, 1383572123, 5847088561, 7230660684, 295073515921, 302304176605
OFFSET
0,1
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, 14461321368, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = 14461321368*a(n-21) + a(n-42) for n>41. [Bruno Berselli, Nov 09 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[433], 30]] (* Vincenzo Librandi, Nov 09 2013 *)
CROSSREFS
Cf. A041825.
Sequence in context: A041820 A329599 A041826 * A309829 A037308 A041828
KEYWORD
nonn,cofr,frac,easy,less
AUTHOR
STATUS
approved