A123949 - OEIS

A123949 as a triangular array

1

1 -1

1 -2 1

0 -2 3 -1

1 0 -2 0 1

0 -2 -1 3 1 -1

0 0 -3 6 -2 -2 1

0 2 -9 15 -11 3 1 -1

1 -4 2 6 -1 -6 -1 2 1

0 -2 7 -1 -11 -3 8 4 -1 -1

0 0 -3 -6 4 18 -9 -2 -3 0 1

0 0 0 -4 3 19 -29 11 -2 2 1 -1

0 0 0 0 4 0 -25 16 26 -20 -4 2 1

0 0 0 -4 11 7 -63 63 8 -34

1 1 1 0 1 0 0 0 1 0 0 0 0 0

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

1 3 -2 -1 -3 -9 2 7 -3 0 0 0

-1 0 3 6 15 6 -1 -6 -4 0 -4

1 1 -2 -11 -1 -11 4 3 4 11

-1 -2 3 -6 -3 18 19 0 7

1 1 -1 8 -9 -29 -25 -63

-1 2 4 -2 11 16 63

1 -1 -3 -2 26 8

-1 0 2 -20 -34

1 1 -4

-1 2

1