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A180207
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Number of permutations of 0..(n-1) representable as consecutive sums of 4 adjacent elements of a sequence of n+3 nonnegative integers.
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0
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1, 2, 4, 8, 16, 34, 82, 252, 890, 3644, 15390, 67646, 301210, 1397898, 6786792, 35154332
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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