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A143355
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Triangle read by rows: A051731 * A010766 as infinite lower triangular matrices.
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1
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1, 3, 1, 4, 1, 1, 7, 3, 1, 1, 6, 2, 1, 1, 1, 12, 5, 3, 1, 1, 1, 8, 3, 2, 1, 1, 1, 1, 15, 7, 3, 3, 1, 1, 1, 1, 13, 5, 4, 2, 1, 1, 1, 1, 1, 18, 8, 4, 3, 3, 1, 1, 1, 1, 1, 12, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 28, 13, 8, 5, 3, 3, 1, 1, 1, 1, 1, 1
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OFFSET
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1,2
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COMMENTS
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Row sums = A143356: (1, 4, 56, 12, 11, 23, 17,...).
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LINKS
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EXAMPLE
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First few rows of the triangle =
1;
3, 1;
4, 1, 1;
7, 3, 1, 1;
6, 2, 1, 1, 1;
12, 5, 3, 1, 1, 1;
8, 3, 2, 1, 1, 1, 1;
15, 7, 3, 3, 1, 1, 1, 1;
...
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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