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Search: id:A063745
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| A063745 |
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Even numbers with an even number of prime factors (counted with multiplicity). |
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+0
1
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| 4, 6, 10, 14, 16, 22, 24, 26, 34, 36, 38, 40, 46, 54, 56, 58, 60, 62, 64, 74, 82, 84, 86, 88, 90, 94, 96, 100, 104, 106, 118, 122, 126, 132, 134, 136, 140, 142, 144, 146, 150, 152, 156, 158, 160, 166, 178, 184, 194, 196, 198, 202, 204, 206, 210, 214, 216, 218, 220
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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EXAMPLE
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a(2)=6, which is even with even number of prime factors i.e. 2.
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PROGRAM
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(PARI) { n=0; forstep (m=2, 10^9, 2, if (bigomega(m)%2 == 0, write("b063745.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 29 2009]
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CROSSREFS
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Cf. A046337.
Sequence in context: A084997 A110507 A134624 this_sequence A123666 A095305 A058917
Adjacent sequences: A063742 A063743 A063744 this_sequence A063746 A063747 A063748
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KEYWORD
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nonn
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AUTHOR
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Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 16 2002
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