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A143517
Triangle read by rows, A054525 * (A061397 * 0^(n-k)), 1<=k<=n.
1
0, 0, 2, 0, 0, 3, 0, -2, 0, 0, 0, 0, 0, 0, 5, 0, -2, -3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, 0, 0, -2, 0, 0, -5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13
OFFSET
1,3
COMMENTS
Row sums = A137851: (0, 2, 3, -2, 5, -5, 7, 0, -3,...).
Right border = A061397: (0, 2, 3, 0, 5, 0, 7,...).
FORMULA
Triangle read by rows, A054525 * (A061397 * 0^(n-k)), 1<=k<=n
EXAMPLE
First few rows of the triangle =
0;
0, 2;
0, 0, 3;
0, -2, 0, 0;
0, 0, 0, 0, 5;
0, -2, -3, 0, 0, 0;
0, 0, 0, 0, 0, 0, 7;
...
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, Aug 22 2008
STATUS
approved