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A081061 Union of 3-smooth numbers and prime powers. 3
1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 16, 17, 18, 19, 23, 24, 25, 27, 29, 31, 32, 36, 37, 41, 43, 47, 48, 49, 53, 54, 59, 61, 64, 67, 71, 72, 73, 79, 81, 83, 89, 96, 97, 101, 103, 107, 108, 109, 113, 121, 125, 127, 128, 131, 137, 139, 144, 149, 151, 157, 162, 163, 167 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

A081060(m)=1 iff m=a(k) for some k; complement of A081062.

CROSSREFS

Cf. A003586, A000961, A081063.

Sequence in context: A091897 A055201 A072303 * A141807 A072495 A126968

Adjacent sequences:  A081058 A081059 A081060 * A081062 A081063 A081064

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 04 2003

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.