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A063003
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Difference between 3^n and the next larger or equal power of 2.
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4
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0, 1, 7, 5, 47, 13, 295, 1909, 1631, 13085, 6487, 84997, 517135, 502829, 3605639, 2428309, 24062143, 5077565, 149450423, 985222181, 808182895, 6719515981, 2978678759, 43295774645, 267326277407, 252223018333, 1856180682775
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) = 2^(ceiling(log_2(3^n))) - 3^n.
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MATHEMATICA
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PROG
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(PARI) { default(realprecision, 50); t=1/log(2); for (n=0, 200, write("b063003.txt", n, " ", 2^ceil(t*log(3^n)) - 3^n) ) } \\ Harry J. Smith, Aug 15 2009
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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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EXTENSIONS
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STATUS
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approved
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