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A100740
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Inverse modulo 2 binomial transform of 7^n.
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1
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1, 6, 48, 288, 2400, 14400, 115200, 691200, 5764800, 34588800, 276710400, 1660262400, 13835520000, 83013120000, 664104960000, 3984629760000, 33232930569600, 199397583417600, 1595180667340800, 9571084004044800
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OFFSET
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0,2
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COMMENTS
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7^n may be retrieved as sum{k=0..n, mod(binomial(n,k),2)A100740(k)}.
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LINKS
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FORMULA
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a(n)=sum{k=0..n, (-1)^A010060(n-k)*mod(binomial(n, k), 2)7^k}.
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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