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A130055
1
1, 0, 2, -1, 0, 3, -1, 0, 0, 4, -3, 0, 0, 0, 5, 0, -2, 0, 0, 0, 6, -5, 0, 0, 0, 0, 0, 7, -2, -2, 0, 0, 0, 0, 0, 8, -3, 0, -3, 0, 0, 0, 0, 0, 9, 0, -6, 0, 0, 0, 0, 0, 0, 0, 10
OFFSET
1,3
COMMENTS
Row sums = d(n), A000005: (1, 2, 2, 3, 2, 4, 2, 4, 3, 4, ...). Left column = A130054: (1, 0, -1, -1, -3, 0, -5, -2, -3, 0, ...).
FORMULA
A129691 * A127093 as infinite lower triangular matrices.
EXAMPLE
First few rows of the triangle:
1;
0, 2;
-1, 0, 3;
-1, 0, 0, 4;
-3, 0, 0, 0, 5;
0, -2, 0, 0, 0, 6;
-5, 0, 0, 0, 0, 0, 7;
...
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, May 04 2007
STATUS
approved