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Search: id:A143312
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| 1, 3, 2, 8, 0, 3, 12, 6, 0, 4, 24, 0, 0, 0, 5, 24, 16, 9, 0, 0, 6, 48, 0, 0, 0, 0, 0, 7, 48, 24, 0, 12, 0, 0, 0, 8, 72, 0, 24, 0, 0, 0, 0, 0, 9, 72, 48, 0, 0, 15, 0, 0, 0, 0, 10, 120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 96, 48, 36, 32, 0, 18, 0, 0, 0, 0, 0, 12, 168, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Left border = A007434.
Row sums = A069097: (1, 5, 11, 2, 29, 55,...)
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FORMULA
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Mobius transform of triangle A143311
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EXAMPLE
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First few rows of the triangle =
1;
3, 2;
8, 0, 3;
12, 6, 0, 4;
24, 0, 0, 0, 5;
24, 16, 9, 0, 0, 6;
48, 0, 0, 0, 0, 0, 7;
48, 24, 0, 12, 0, 0, 0, 8;
...
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CROSSREFS
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Cf. A054525, A143311, A007434, A069097.
Sequence in context: A111928 A100985 A021757 this_sequence A113794 A086774 A153461
Adjacent sequences: A143309 A143310 A143311 this_sequence A143313 A143314 A143315
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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), Aug 06 2008
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