A114700 - OEIS

A114700 as a triangular array

1

1 1

1 0 1

1 -1 1 1

1 0 0 0 1

1 -1 0 0 1 1

1 0 1 0 -1 0 1

1 -1 -1 -1 1 1 1 1

1 0 2 2 0 -2 -2 0 1

1 -1 -2 -4 -2 2 4 2 1 1

1 0 3 6 6 0 -6 -6 -3 0 1

1 -1 -3 -9 -12 -6 6 12 9 3 1 1

1 0 4 12 21 18 0 -18 -21 -12 -4 0 1

1 1 1 1 1 1 1 1 1 1 1 1 1

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

1 1 0 0 1 -1 2 -2 3 -3 4

1 0 0 0 -1 2 -4 6 -9 12

1 1 -1 1 0 -2 6 -12 21

1 0 1 -2 2 0 -6 18

1 1 -2 4 -6 6 0

1 0 2 -6 12 -18

1 1 -3 9 -21

1 0 3 -12

1 1 -4

1 0

1