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A130299
1
1, 3, 2, 5, 3, 3, 7, 4, 4, 4, 9, 5, 5, 5, 5, 11, 6, 6, 6, 6, 6, 13, 7, 7, 7, 7, 7, 7, 15, 8, 8, 8, 8, 8, 8, 8, 17, 9, 9, 9, 9, 9, 9, 9, 9, 19, 10, 10, 10, 10, 10, 10, 10, 10, 10
OFFSET
1,2
COMMENTS
Row sums = A018387: (1, 5, 11, 19, 29, 41, 55, ...).
FORMULA
A130296 * A051340 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
3, 2;
5, 3, 3;
7, 4, 4, 4;
9, 5, 5, 5, 5;
11, 6, 6, 6, 6, 6;
13, 7, 7, 7, 7, 7, 7;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, May 20 2007
STATUS
approved