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Search: id:A137585
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| 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 4, 1, 0, 0, 1, 5, 1, 0, 0, 0, 1, 10, 2, 1, 0, 0, 0, 1, 12, 3, 1, 0, 0, 0, 0, 1, 20, 4, 1, 1, 0, 0, 0, 0, 1, 25, 5, 2, 1, 0, 0, 0, 0, 0, 1, 41, 8, 3, 1, 1, 0, 0, 0, 0, 0, 1, 47, 10, 3, 1, 1, 0, 0, 0, 0, 0, 0, 1, 76, 14, 5, 2, 1, 1, 0, 0, 0, 0, 0, 0, 1
(list; table; graph; listen)
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OFFSET
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1,7
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COMMENT
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Row sums = A000837 starting (1, 1, 2, 3, 6, 7, 14, 17,...).
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FORMULA
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Mobius transform of A026794, the partition triangle.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
1, 0, 1;
2, 0, 0, 1;
4, 1, 0, 0, 1;
5, 1, 0, 0, 0, 1;
10, 2, 1, 0, 0, 0, 1;
12, 3, 1, 0, 0, 0, 0, 1;
...
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CROSSREFS
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Cf. A054525, A026794, A000837.
Sequence in context: A091866 A111146 A109077 this_sequence A072458 A067310 A122890
Adjacent sequences: A137582 A137583 A137584 this_sequence A137586 A137587 A137588
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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), Jan 27 2008
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