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Search: id:A079488
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| A079488 |
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Number of prime divisors (counted with multiplicity) of A138613(n). |
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+0
3
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| 1, 1, 2, 4, 7, 14, 23, 36, 72, 106, 172, 314
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OFFSET
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1,3
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COMMENT
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The old entry with this sequence number was a duplicate of A052553.
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FORMULA
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a(n)=A001222(A0138613(n)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 21 2008
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CROSSREFS
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Cf. A138613, A033766, A001222.
Sequence in context: A045514 A102957 A018567 this_sequence A054160 A034426 A000075
Adjacent sequences: A079485 A079486 A079487 this_sequence A079489 A079490 A079491
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KEYWORD
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nonn,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Sep 20 2008
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EXTENSIONS
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a(10) from R. J. Mathar, (mathar(AT)strw.leidenuniv.nl), Sep 21 2008
a(11)-a(12) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 19 2008
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