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A041212
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Numerators of continued fraction convergents to sqrt(117).
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3
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10, 11, 54, 119, 530, 649, 13510, 14159, 70146, 154451, 687950, 842401, 17535970, 18378371, 91049454, 200477279, 892958570, 1093435849, 22761675550, 23855111399, 118182121146, 260219353691, 1159059535910
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OFFSET
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0,1
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,1298,0,0,0,0,0,-1).
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FORMULA
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a(n) = 1298*a(n-6) - a(n-12).
G.f.: -(x^11 - 10*x^10 + 11*x^9 - 54*x^8 + 119*x^7 - 530*x^6 - 649*x^5 - 530*x^4 - 119*x^3 - 54*x^2 - 11*x - 10)/((x^2 - 3*x - 1)*(x^2 + 3*x - 1)*(x^4 - 3*x^3 + 10*x^2 + 3*x + 1)*(x^4 + 3*x^3 + 10*x^2 - 3*x + 1)). (End)
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,cofr,frac,easy
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AUTHOR
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STATUS
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approved
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