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Search: id:A000804
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| A000804 |
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Permanent of a certain cyclic n X n (0,1) matrix.
(Formerly M5375 N2333)
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+0
4
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| 120, 265, 579, 1265, 2783, 6208, 13909, 31337, 70985, 161545, 369024, 845825, 1944295, 4480285, 10345391, 23930320, 55435605, 128577253, 298529333, 693718721, 1613210120, 3753680073, 8738534315, 20351593033, 47413960239
(list; graph; listen)
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OFFSET
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5,1
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COMMENT
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Fifth column of triangle A008305. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Oct 03 2003
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REFERENCES
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N. Metropolis et al., Permanents of cyclic (0,1) matrices, J. Combin. Theory, 7 (1969), 291-321.
H. Minc, Permanents of (0,1)-circulants, Canad. Math. Bull., 7 (1964), 253-263.
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LINKS
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Index entries for sequences related to binary matrices
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FORMULA
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Conjecture: G.f.: x^5 * (-65*x^10 - 94*x^9 + 88*x^8 + 170*x^7 + 323*x^6 + 267*x^5 - 242*x^4 - 232*x^3 - 216*x^2 - 95*x + 120)/(x^11 + x^10 - 2*x^9 - 2*x^8 - 4*x^7 - 2*x^6 + 6*x^5 + 2*x^4 + 2*x^3 - 3*x + 1) - R. Stephan, Aug 05 2004
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CROSSREFS
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Cf. A000805.
Sequence in context: A084142 A028976 A070856 this_sequence A076579 A121898 A048190
Adjacent sequences: A000801 A000802 A000803 this_sequence A000805 A000806 A000807
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KEYWORD
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nonn
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AUTHOR
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njas
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EXTENSIONS
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More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Oct 03 2003
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