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A146014
Triangle read by rows, square of A145975
0
1, 0, 1, -1, 2, 1, -1, 3, 1, 0, -2, 5, 2, 0, 0, 3, 3, 0, 0, 0, 1, 7, 2, 0, 0, 1, 0, 19, -3, 6, 0, 0, 4, 0, 1, 21, 0, -5, 0, 0, 5, 0, 1, 0, 43, -10, -14, 0, 0, 9, 0, 2, 0, 0, 62, -16, -20, 0, 0, 13, 0, 3, 0, 0, 0, 106, -38, -38, 0, 0, 21, 0, 5, 0, 0, 0, 0, 70, 2, -10, 0, 0, 14, 0, 0, 0, 0, 0, 0, 1
OFFSET
0,5
COMMENTS
Row sums = the partition numbers, A000041: 1, 1, 2, 3, 5, 7, 11, 15,...
FORMULA
Triangle read by rows, A145975^2
EXAMPLE
First few rows of the triangle =
1;
0, 1;
-1, 2, 1;
-1, 3, 1, 0;
-2, 5, 2, 0, 0;
3, 3, 0, 0, 0, 1;
1, 7, 2, 0, 0, 1, 0;
19, -3, -6, 0, 0, 4, 0, 1;
21, 0, -5, 0, 0, 5, 0, 1, 0;
43, -10, -14, 0, 0, 9, 0, 2, 0, 0;
62, -16, -20, 0, 0, 13, 0, 3, 0, 0, 0;
106, -38, -38, 0, 0, 21, 0, 5, 0, 0, 0, 0;
70, 2, -10, 0, 0, 14, 0, 0, 0, 0, 0, 0, 1;
154, -42, -45, 0, 0, 29, 0, 4, 0, 0, 0, 0, 1, 0;
...
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, Oct 26 2008
STATUS
approved