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1, 3, 4, 1, 3, 7, 3, 1, 3, 10, 1, 3, 1, 3, 13, 3, 1, 3, 1, 3, 16, 1, 3, 1, 3, 1, 3, 19, 3, 1, 3, 1, 3, 1, 3, 22, 1, 3, 1, 3, 1, 3, 25, 3, 1, 3, 1, 3, 1, 3, 1, 3, 28
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Row sums = A131229.
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FORMULA
| 3*A051340 - 2*A128174 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
3, 4;
1, 3, 7;
3, 1, 3, 10;
1, 3, 1, 3, 13;
...
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CROSSREFS
| Cf. A051340, A128174, A131229, A131227.
Sequence in context: A128529 A205547 A169782 * A131129 A087694 A010262
Adjacent sequences: A131225 A131226 A131227 * A131229 A131230 A131231
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 20 2007
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