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A042890
Numerators of continued fraction convergents to sqrt(977).
2
31, 94, 125, 1094, 5595, 6689, 12284, 43541, 317071, 360612, 677683, 5104393, 15990862, 21095255, 37086117, 206525840, 1689292837, 1895818677, 7376748868, 459254248493, 1385139494347, 1844393742840
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, 14753497736, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = 14753497736*a(n-19) - a(n-38) for n > 37. [Bruno Berselli, Dec 08 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[977], 30]] (* Vincenzo Librandi, Dec 08 2013 *)
CROSSREFS
Cf. A042891.
Sequence in context: A061155 A098440 A042892 * A042894 A042896 A042898
KEYWORD
nonn,cofr,frac,easy
STATUS
approved