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A097619
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Numbers having more prime factors than each of their neighbors.
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3
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4, 6, 8, 12, 16, 18, 20, 24, 30, 32, 36, 40, 42, 48, 50, 52, 54, 56, 60, 64, 66, 68, 70, 72, 78, 80, 84, 88, 90, 92, 96, 100, 102, 104, 108, 110, 112, 114, 120, 126, 128, 130, 132, 138, 140, 144, 150, 152, 156, 160, 162, 168, 176, 180, 182, 184, 186, 189, 192, 196
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OFFSET
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1,1
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COMMENTS
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Even terms are much more frequent. Among first 10000 terms exactly 612 are odd. First odd terms are 189, 243, 315, 405, 525, 567, 675; corresponding indices are 58, 77, 102, 130, 169, 182, 216. - Zak Seidov, Mar 06 2015
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LINKS
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EXAMPLE
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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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