A109246 - OEIS

A109246 as a triangular array

1

-1 1

-2 -2 1

0 -1 -3 1

0 2 1 -4 1

0 0 3 4 -5 1

0 0 -2 2 8 -6 1

0 0 0 -5 -2 13 -7 1

0 0 0 2 -7 -10 19 -8 1

0 0 0 0 7 -5 -23 26 -9 1

0 0 0 0 -2 14 5 -42 34 -10 1

0 0 0 0 0 -9 19 28 -68 43 -11 1

0 0 0 0 0 2 -23 14 70 -102 53 -12 1

0 0 0 0 0 0 11 -42 -14

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

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

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

1 -4 4 2 -5 2 0 0 0 0 0

1 -5 8 -2 -7 7 -2 0 0 0

1 -6 13 -10 -5 14 -9 2 0

1 -7 19 -23 5 19 -23 11

1 -8 26 -42 28 14 -42

1 -9 34 -68 70 -14

1 -10 43 -102

1 -11 53

1 -12

1