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A127448 formatted as a triangular array:

1
-1 2
-1 0 3
0 -2 0 4
-1 0 0 0 5
1 -2 -3 0 0 6
-1 0 0 0 0 0 7
0 0 0 -4 0 0 0 8
0 0 -3 0 0 0 0 0 9
1 -2 0 0 -5 0 0 0 0 10
-1 0 0 0 0 0 0 0 0 0 11
0 2 0 -4 0 -6 0 0 0 0 0 12
-1 0 0 0 0 0 0 0 0 0 0 0 13

A127448 formatted as a square array:

1 -1 -1 0 -1 1 -1 0 0 1 -1 0 -1
2 0 -2 0 -2 0 0 0 -2 0 2 0
3 0 0 -3 0 0 -3 0 0 0 0
4 0 0 0 -4 0 0 0 -4 0
5 0 0 0 0 -5 0 0 0
6 0 0 0 0 0 -6 0
7 0 0 0 0 0 0
8 0 0 0 0 0
9 0 0 0 0
10 0 0 0
11 0 0
12 0
13

A127448 formatted as an upper right triangle:

1 -1 -1 0 -1 1 -1 0 0 1 -1 0 -1
2 0 -2 0 -2 0 0 0 -2 0 2 0
3 0 0 -3 0 0 -3 0 0 0 0
4 0 0 0 -4 0 0 0 -4 0
5 0 0 0 0 -5 0 0 0
6 0 0 0 0 0 -6 0
7 0 0 0 0 0 0
8 0 0 0 0 0
9 0 0 0 0
10 0 0 0
11 0 0
12 0
13

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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