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A131922
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Triangle read by rows: 2*A002024 - A130296 as infinite lower triangular matrices.
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0
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1, 2, 3, 3, 5, 5, 4, 7, 7, 7, 5, 9, 9, 9, 9, 6, 11, 11, 11, 11, 11, 7, 13, 13, 13, 13, 13, 13, 8, 15, 15, 15, 15, 15, 15, 15, 9, 17, 17, 17, 17, 17, 17, 17, 17, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19, 11, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 12, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23
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OFFSET
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0,2
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COMMENTS
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Row sums = A001844: (1, 5, 13, 25, 41, 61, 85, ...).
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LINKS
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EXAMPLE
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First few rows of the triangle:
1;
2, 3;
3, 5, 5;
4, 7, 7, 7;
5, 9, 9, 9, 9;
...
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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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