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A127373
Triangle, row sums = A023896, left column = A053570.
1
1, 1, 0, 2, 1, 0, 3, 0, 1, 0, 6, 2, 1, 1, 0, 5, 0, 0, 0, 1, 0, 12, 4, 2, 1, 1, 1, 0, 13, 0, 1, 0, 1, 0, 1, 0, 18, 4, 0, 2, 1, 0, 1, 1, 0, 15, 0, 3, 0, 0, 0, 1, 0, 1, 0
OFFSET
1,4
COMMENTS
Row sums = A023896: (1, 1, 3, 4, 10, 6, ...); left column = A053570: (1, 2, 3, 6, 5, 12, ...).
FORMULA
A054521 * A054523 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
1, 0;
2, 1, 0;
3, 0, 1, 0;
6, 2, 1, 1, 0;
5, 0, 0, 0, 1, 0
12, 4, 2, 1, 1, 1, 0;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jan 12 2007
STATUS
approved