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Search: id:A134676
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| 1, 3, 2, 3, 0, 3, 6, 6, 0, 4, 3, 0, 0, 0, 5, 9, 6, 9, 0, 0, 6, 3, 0, 0, 0, 0, 0, 7, 10, 12, 0, 12, 0, 0, 0, 8, 6, 0, 9, 0, 0, 0, 0, 0, 9, 9, 6, 0, 0, 15, 0, 0, 0, 0, 10
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OFFSET
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1,2
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COMMENT
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Left column = A007425: (1, 3, 3, 6, 3, 9, 3, 10,...).R Row sums = A007430: (1, 5, 6, 16, 8, 30, 10, 42,...)
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FORMULA
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A127172 * A127648 = A051731^3 * A127648 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
3, 2;
3, 0, 3;
6, 6, 0, 4;
3, 0, 0, 0, 5;
9, 6, 9, 0, 0, 6;
3, 0, 0, 0, 0, 0, 7;
...
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CROSSREFS
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Cf. A127172, A051731, A127648, A007430, A007425.
Adjacent sequences: A134673 A134674 A134675 this_sequence A134677 A134678 A134679
Sequence in context: A058513 A047160 A093347 this_sequence A103491 A089306 A086099
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 05 2007
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