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Search: id:A133701
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| 1, 1, 1, 2, 0, 2, 1, 1, 0, 1, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 1, 1, 0, 1, 0, 0, 0, 1, 3, 0, 3, 0, 0, 0, 0, 0, 3, 2, 2, 0, 0, 2, 0, 0, 0, 0, 2
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Left and right borders = A001227: (1, 1, 2, 1, 2, 2, 2,...), the number of odd divisors of n. Row sums = A133702, the inverse Mobius transform of A023136.
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FORMULA
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A133698 * A051731 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
2, 0, 2;
1, 1, 0, 1;
2, 0, 0, 0, 2;
2, 2, 2, 0, 0, 2;
2, 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, A001227, A133702, A023136.
Sequence in context: A108731 A060950 A039976 this_sequence A102442 A091182 A001822
Adjacent sequences: A133698 A133699 A133700 this_sequence A133702 A133703 A133704
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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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