A123706 - OEIS

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A123706 as a triangular array

1

-2 1

-1 -1 1

1 -1 -1 1

-1 0 0 -1 1

2 0 -1 0 -1 1

-1 0 0 0 0 -1 1

0 0 1 -1 0 0 -1 1

0 1 -1 0 0 0 0 -1 1

2 -1 0 1 -1 0 0 0 -1 1

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

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

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

2 -1 0 0 0 1 -1 0 0 0 0 0 -1 1

1 1 -1 1 -1 0 0 0

A123706 as a square array

1 -2 -1 1 -1 2 -1 0 0 2 -1 -1 -1 2 1

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

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

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

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

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

1 -1 0 0 0 0 0 -1 0

1 -1 0 0 0 0 0 0

1 -1 0 0 0 0

1 -1 0 0 0

1 -1 0 0

1 -1 0

1 -1

1

A123706 as an upper right triangle