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Search: id:A133703
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| 1, 0, 1, 1, 0, 2, 0, 0, 0, 1, 1, 0, 0, 0, 2, 0, 1, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 0, 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: (1, 1, 2, 1, 2, 2, 2, 1, 3,...), the number of odd divisors of n. Row sums = A023136: (1, 1, 3, 1, 3, 3, 3, 1, 5, 3,...).
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FORMULA
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Mobius transform of triangle A133701.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
1, 0, 2;
0, 0, 0, 1;
1, 0, 0, 0, 2;
0, 1, 0, 0, 0, 2;
1, 0, 0, 0, 0, 0, 2;
...
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CROSSREFS
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Cf. A054525, A133701, A001227, A023136.
Sequence in context: A056674 A037188 A086079 this_sequence A073265 A025438 A030216
Adjacent sequences: A133700 A133701 A133702 this_sequence A133704 A133705 A133706
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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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