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A166452
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Binomial transform of A166242.
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0
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1, 3, 9, 21, 45, 99, 225, 507, 1101, 2295, 4653, 9381, 19221, 40491, 87453, 191205, 417117, 898119, 1897125, 3922977, 7945713, 15800367, 30960765, 60068235, 116058981, 224778159, 439342677, 871864317, 1764029985, 3643978479, 7672441101, 16397598555, 35377739037
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internal format)
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OFFSET
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-1,2
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LINKS
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FORMULA
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Equals A007318 as an infinite lower triangular matrix * A166242 as a vector.
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EXAMPLE
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a(2) = 21 = (1, 3, 3, 1) dot (1, 2, 4, 2) = (1 + 6 + 12 + 2).
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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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