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A042880 Numerators of continued fraction convergents to sqrt(972). 2
31, 156, 187, 343, 530, 4053, 24848, 28901, 111551, 140452, 2077879, 2218331, 8732872, 10951203, 74440090, 532031833, 606471923, 1138503756, 1744975679, 9863382151, 613274669041, 3076236727356 (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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19726764302, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 19726764302*a(n-20) - a(n-40) for n > 39. [Bruno Berselli, Dec 08 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[972], 30]] (* Vincenzo Librandi, Dec 08 2013 *)
CROSSREFS
Cf. A042881.
Sequence in context: A104049 A176922 A134553 * A042882 A045160 A142906
KEYWORD
nonn,cofr,frac,easy
AUTHOR
STATUS
approved

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Last modified June 25 18:08 EDT 2024. Contains 373707 sequences. (Running on oeis4.)