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 A000805 Permanent of a certain cyclic n X n (0,1) matrix. (Formerly M5471 N2369) 4
 1, 1, 2, 6, 24, 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Sixth column of triangle A008305. - Vladeta Jovovic, Oct 03 2003 REFERENCES 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). LINKS Alois P. Heinz, Table of n, a(n) for n = 0..1000 N. Metropolis, M. L. Stein, P. R. Stein, 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. FORMULA 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 CROSSREFS Cf. A000804. A column of A008305. Sequence in context: A277423 A191460 A073475 * A061774 A110729 A088258 Adjacent sequences:  A000802 A000803 A000804 * A000806 A000807 A000808 KEYWORD nonn AUTHOR EXTENSIONS More terms from Vladeta Jovovic, Oct 03 2003 More terms from Sean A. Irvine, Jun 28 2011 STATUS approved

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Last modified October 18 02:23 EDT 2019. Contains 328135 sequences. (Running on oeis4.)