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Search: id:A133699
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| 1, 1, 1, 1, 0, 2, 1, 1, 0, 1, 1, 0, 0, 0, 2, 1, 1, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 2, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 2, 0, 0, 0, 0, 0, 3, 1, 1, 0, 0, 2, 0, 0, 0, 0, 2
(list; table; graph; listen)
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OFFSET
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1,6
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COMMENT
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Right border = A001227, the number of odd divisors of n. Row sums = A133700: (1, 2, 3, 3, 3, 6, 3, 4, 6, 6,...)
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FORMULA
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Inverse Mobius transform of A133698, as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
1, 0, 2;
1, 1, 0, 1;
1, 0, 0, 0, 2;
1, 1, 2, 0, 0, 2;
1, 0, 0, 0, 0, 0, 2;
1, 1, 0, 1, 0, 0, 0, 1;
...
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CROSSREFS
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Cf. A051731, A133698, A133700.
Sequence in context: A035155 A090584 A128409 this_sequence A101808 A145865 A076452
Adjacent sequences: A133696 A133697 A133698 this_sequence A133700 A133701 A133702
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 21 2007
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