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A041771
Denominators of continued fraction convergents to sqrt(406).
2
1, 6, 7, 20, 87, 629, 716, 3493, 4209, 32956, 136033, 305022, 441055, 2951352, 118495135, 713922162, 832417297, 2378756756, 10347444321, 74810867003, 85158311324, 415444112299, 500602423623, 3919661077660, 16179246734263, 36278154546186
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OFFSET
0,2
LINKS
Vincenzo Librandi,
Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients
, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 118936190, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 118936190*a(n-14) - a(n-28) for n>27, -
Vincenzo Librandi
, Dec 24 2013
MATHEMATICA
Denominator[Convergents[Sqrt[406], 30]] (*
Harvey P. Dale
, Sep 15 2011 *)
CROSSREFS
Cf.
A041770
.
Sequence in context:
A078980
A041076
A358059
*
A042757
A257312
A062369
Adjacent sequences:
A041768
A041769
A041770
*
A041772
A041773
A041774
KEYWORD
nonn
,
frac
,
easy
AUTHOR
N. J. A. Sloane
EXTENSIONS
More terms from
Vincenzo Librandi
, Dec 24 2013
STATUS
approved
