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1, 2, 4, 3, 4, 8, 4, 4, 9, 8, 4, 12, 4, 8, 16, 5, 6, 18, 4, 12, 16, 8, 4, 16, 9, 8, 16, 12, 4, 32, 8, 6, 16, 12, 16, 27, 4, 8, 16, 16, 6, 32, 8, 12, 36, 8, 4, 20, 9, 18, 24, 12, 4, 32, 16, 16, 16, 8, 4, 48, 4, 16, 44, 7, 20, 32, 4, 18, 16, 32, 4, 36, 10, 8, 36, 12, 16, 32, 4, 20, 25, 12, 4, 48
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| A023136 = (1, 1, 3, 1, 3, 3, 3, 1, 5, 3,...)
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FORMULA
| Inverse Mobius transform of A023136.
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EXAMPLE
| a(4) = 3 = (1, 1, 0, 1) * (1, 1, 3, 1) = (1, 1, 0, 1), row 4 of triangle A133701.
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CROSSREFS
| Cf. A051731, A133698, A023136.
Sequence in context: A178151 A087794 A050514 * A080001 A178938 A136743
Adjacent sequences: A133699 A133700 A133701 * A133703 A133704 A133705
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 21 2007
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 19 2009
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