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A134676
0
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
OFFSET
1,2
COMMENTS
Left column = A007425: (1, 3, 3, 6, 3, 9, 3, 10, ...).
Row sums = A007430: (1, 5, 6, 16, 8, 30, 10, 42, ...).
FORMULA
A127172 * A127648 = A051731^3 * A127648 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
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;
...
CROSSREFS
KEYWORD
nonn,tabl,more
AUTHOR
Gary W. Adamson, Nov 05 2007
STATUS
approved