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A127140
Square of triangle A127139, row sums = A101035.
2
1, -4, 1, -6, 0, 1, 4, -4, 0, 1, -10, 0, 0, 0, 1, 24, -6, -4, 0, 0, 1, -14, 0, 0, 0, 0, 0, 1, 0, 4, 0, -4, 0, 0, 0, 1, 9, 0, -6, 0, 0, 0, 0, 0, 1, 40, -10, 0, 0, -4, 0, 0, 0, 0, 1
OFFSET
1,2
COMMENTS
Row sums = A101035: (1, -3, -5, 1, -9, 15, ...). A127140 * [1, 2, 3, ...] = A055615: (1, -2, -3, 0, -5, 6, -7, ...).
FORMULA
Square of A127139.
EXAMPLE
First few rows of the triangle:
1;
-4, 1;
-6, 0, 1;
4, -4, 0, 1;
-10, 0, 0, 0, 1;
24, -6, -4, 0, 0, 1;
-14, 0, 0, 0, 0, 0, 1;
0, 4, 0, -4, 0, 0, 0, 1;
9, 0, -6, 0, 0, 0, 0, 0, 1;
...
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, Jan 06 2007
STATUS
approved