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A020707
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Pisot sequences E(4,8), L(4,8), P(4,8), T(4,8).
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11
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4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296, 8589934592
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OFFSET
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0,1
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COMMENTS
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LINKS
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FORMULA
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a(n) = 2^(n+2).
a(n) = 2*a(n-1).
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MATHEMATICA
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PROG
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CROSSREFS
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Subsequence of A000079. See A008776 for definitions of Pisot sequences.
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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