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Search: id:A129628
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A129628 Inverse Moebius transform of A001511(n). +0
1
1, 3, 2, 6, 2, 6, 2, 10, 3, 6, 2, 12, 2, 6, 4, 15, 2, 9, 2, 12, 4, 6, 2, 20, 3, 6, 4, 12, 2, 12, 2, 21, 4, 6, 4, 18, 2, 6, 4, 20, 2, 12, 2, 12, 6, 6, 2, 30, 3, 9, 4, 12, 2, 12, 4, 20, 4, 6, 2, 24, 2, 6, 6, 28, 4, 12, 2, 12, 4, 12, 2, 30, 2, 6, 6, 12, 4, 12, 2, 30, 5, 6, 2, 24, 4, 6, 4, 20 (list; graph; listen)
OFFSET

1,2

COMMENT

Possibly identical to A129354.

FORMULA

a(2n) = a(n) + A000005(2n), a(2n+1) = A000005(2n+1).

Dirichlet g.f.: zeta(s)^2/(1-2^s). - Ralf Stephan, Jun 17 2007

CROSSREFS

Sequence in context: A021758 A040008 A129354 this_sequence A071044 A077066 A065228

Adjacent sequences: A129625 A129626 A129627 this_sequence A129629 A129630 A129631

KEYWORD

nonn

AUTHOR

Ralf Stephan (ralf(AT)ark.in-berlin.de), May 31 2007

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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