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A115513 formatted as a triangular array:

1
-1 1
0 0 1
0 0 0 1
1 -1 0 0 1
0 0 0 0 0 1
0 0 0 0 0 0 1
0 0 -1 0 0 0 0 1
0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 1
0 0 0 -1 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 0 0 1
-1 1 0 0 -1 0 0 0 0 0 0 0 0 1

A115513 formatted as a square array:

1 -1 0 0 1 0 0 0 0 0 0 0 0 -1
1 0 0 -1 0 0 0 0 0 0 0 0 1
1 0 0 0 0 -1 0 0 0 0 0 0
1 0 0 0 0 0 0 -1 0 0 0
1 0 0 0 0 0 0 0 0 -1
1 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0
1 0 0 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0
1 0 0 0
1 0 0
1 0
1

A115513 formatted as an upper right triangle:

1 -1 0 0 1 0 0 0 0 0 0 0 0 -1
1 0 0 -1 0 0 0 0 0 0 0 0 1
1 0 0 0 0 -1 0 0 0 0 0 0
1 0 0 0 0 0 0 -1 0 0 0
1 0 0 0 0 0 0 0 0 -1
1 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0
1 0 0 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0
1 0 0 0
1 0 0
1 0
1

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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