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A151654
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Number of permutations of 6 indistinguishable copies of 1..n with exactly 5 adjacent element pairs in decreasing order.
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2
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0, 36, 4050864, 10490842656, 10255094095176, 6781036059518868, 3744571580295610680, 1893138497272086513120, 915533370856221482817936, 432873619819347725868506292, 202329942824085294375700974144, 94022530911932061378520715448384, 43564340849890810938403538912669496
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OFFSET
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1,2
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (1287, -665085, 185049017, -31190554872, 3393504308298, -247577707116706, 12409594294661298, -434237280286221153, 10713236096664371179, -187333202983969901817, 2326256453936078033349, -20501775776012012073494, 127726669837663368160500, -557839835867479081817208, 1687107017150888313396640, -3485094134205352534911360, 4853917967549146311707136, -4463498883906046248413184, 2592626135894429309853696, -861342430920194620293120, 124750055827809622425600).
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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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