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A100367
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Even numbers with two prime factors, not counting multiplicity.
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14
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6, 10, 12, 14, 18, 20, 22, 24, 26, 28, 34, 36, 38, 40, 44, 46, 48, 50, 52, 54, 56, 58, 62, 68, 72, 74, 76, 80, 82, 86, 88, 92, 94, 96, 98, 100, 104, 106, 108, 112, 116, 118, 122, 124, 134, 136, 142, 144, 146, 148, 152, 158, 160, 162, 164, 166, 172, 176, 178, 184, 188
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OFFSET
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1,1
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COMMENTS
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This is a proper subset of A098902. E.g., 210 is not here, but it is there.
Numbers of the form 2^k*p^h where k > 0, h > 0, and p is an odd prime. [corrected by Lei Zhou, Oct 29 2018]
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LINKS
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MATHEMATICA
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PROG
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(PARI) isok(n) = !(n%2) && (omega(n) == 2); \\ Michel Marcus, Feb 02 2018
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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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