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A041284
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Numerators of continued fraction convergents to sqrt(155).
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2
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12, 25, 112, 249, 6088, 12425, 55788, 124001, 3031812, 6187625, 27782312, 61752249, 1509836288, 3081424825, 13835535588, 30752496001, 751895439612, 1534543375225, 6890068940512, 15314681256249
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: (1+x)*(12 +13*x +99*x^2 +150*x^3 -38*x^4 +13*x^5 -x^6)/(1 -498*x^4 +x^8). [Bruno Berselli, Nov 01 2013]
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MATHEMATICA
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PROG
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(Magma) I:=[12, 25, 112, 249, 6088, 12425, 55788, 124001]; [n le 8 select I[n] else 498*Self(n-4)-Self(n-8): n in [1..25]]; // Vincenzo Librandi, Nov 01 2013
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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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