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A094981
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a(n) = floor(9^n/4^n).
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1
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1, 2, 5, 11, 25, 57, 129, 291, 656, 1477, 3325, 7481, 16834, 37876, 85222, 191751, 431439, 970739, 2184164, 4914369, 11057332, 24878997, 55977744, 125949925, 283387333, 637621500, 1434648375, 3227958844, 7262907400, 16341541651
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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Table[ Floor[(9/4)^n], {n, 0, 30}]
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PROG
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CROSSREFS
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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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