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A174535
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Odd almost practical numbers.
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3
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945, 1575, 2205, 2835, 3465, 4095, 4725, 5355, 5775, 5985, 6615, 6825, 7245, 7875, 8085, 8505, 9135, 9555, 9765, 10395, 11025, 11655, 12285, 12705, 12915, 13545, 14175, 14805, 15015, 15435, 16065, 16695, 17325, 17955, 18585, 19215, 19635
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listen;
history;
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internal format)
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OFFSET
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1,1
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COMMENTS
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This is Stewart's set O*. Note that 15 divides all such numbers. This sequence appears to be a subsequence of the odd abundant numbers, A005231. See A174533 for additional comments.
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LINKS
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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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