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A000805
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Permanent of a certain cyclic n X n (0,1) matrix.
(Formerly M5471 N2369)
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4
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1, 1, 2, 6, 24, 120, 720, 1854, 4738, 12072, 30818, 79118, 204448, 528950, 1370674, 3557408, 9244418, 24043990, 62573616, 162925614, 424377730, 1105703640, 2881483458, 7510389278, 19577689120, 51038756326, 133066443346, 346944079632, 904622495746, 2358783572710, 6150613767440, 16038217209886
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OFFSET
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0,3
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COMMENTS
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REFERENCES
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Henryk Minc and Marvin Marcus, Permanents, Cambridge University Press, 1984, pp. 47-48.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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FORMULA
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a(n) = 96+sum(b(i)*a(n-i),i=1..15) where b(i)=[2, 2, 1, 0, -4, -18, -16, -12, -10, -4, 4, 3, 2, 2, 1] for n>=21. - Sean A. Irvine, Jun 29 2011
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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