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A246998
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Multiplicity of the zero at x=1 of the characteristic polynomial P_n^{C0+}.
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0
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1, 2, 2, 3, 3, 5, 5, 8, 9, 14, 16, 26, 31, 49, 64, 99, 133, 209, 291, 455, 657, 1022, 1510, 2359, 3545, 5536, 8442, 13201, 20319, 31836, 49353, 77436, 120711, 189674, 296854, 467160, 733363, 1155647, 1818594, 2869378, 4524081, 7146483
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OFFSET
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1,2
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COMMENTS
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Appears to duplicate A129526. - R. J. Mathar, Sep 22 2014
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LINKS
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Table of n, a(n) for n=1..42.
A. R. Ashrafi, J. Azarija, K. Fathalikhani, S. Klavzar, et al., Orbits of Fibonacci and Lucas cubes, dihedral transformations, and asymmetric strings, 2014.
M. Assis, J. L. Jacobsen, I. Jensen, J.-M. Maillard and B. M. McCoy, Integrability vs non-integrability: Hard hexagons and hard squares compared, arXiv preprint 1406.5566 [math-ph], 2014. See Eq. A.15.
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CROSSREFS
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Sequence in context: A237800 A232697 A129526 * A000358 A032244 A166588
Adjacent sequences: A246995 A246996 A246997 * A246999 A247000 A247001
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane, Sep 18 2014
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EXTENSIONS
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The initial terms look wrong to me. I have written to the authors.
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STATUS
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approved
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