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A087009
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Least m such that omega(m) + Omega(m) = n, or 0 if no such m exists.
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6
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1, 0, 2, 4, 6, 12, 24, 48, 96, 192, 384, 768, 1536, 3072, 6144, 12288, 24576, 49152, 98304, 196608, 393216, 786432, 1572864, 3145728, 6291456, 12582912, 25165824, 50331648, 100663296, 201326592, 402653184, 805306368, 1610612736, 3221225472
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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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G.f.: (2*x^4-2*x^2+2*x-1)/(2*x-1). - Colin Barker, Oct 23 2012
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MATHEMATICA
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PROG
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(PARI) a(n) = {m = 1; while (omega(m) + bigomega(m) != n, m++); m} \\ Michel Marcus, Oct 23 2013
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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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EXTENSIONS
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STATUS
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approved
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