A115524 - OEIS

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A115524 as a triangular array

1

1 -1

-1 0 1

0 0 1 -1

0 -1 0 0 1

0 0 0 0 1 -1

0 0 -1 0 0 0 1

0 0 0 0 0 0 1 -1

0 0 0 -1 0 0 0 0 1

0 0 0 0 0 0 0 0 1 -1

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

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

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

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

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

0

A115524 as a square array

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

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

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

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

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

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

1 1 0 0 0 0 0 0 -1

-1 0 0 0 0 0 0 0

1 1 0 0 0 0 0

-1 0 0 0 0 0

1 1 0 0 0

-1 0 0 0

1 1 0

-1 0

1

A115524 as an upper right triangle