A108561 - OEIS

A108561 as a triangular array

1

1 -1

1 0 1

1 1 1 -1

1 2 2 0 1

1 3 4 2 1 -1

1 4 7 6 3 0 1

1 5 11 13 9 3 1 -1

1 6 16 24 22 12 4 0 1

1 7 22 40 46 34 16 4 1 -1

1 8 29 62 86 80 50 20 5 0 1

1 9 37 91 148 166 130 70 25 5 1 -1

1 10 46 128 239 314 296 200 95 30 6 0 1

1 11 56 174 367

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

-1 0 1 2 3 4 5 6 7 8 9 10 11

1 1 2 4 7 11 16 22 29 37 46 56

-1 0 2 6 13 24 40 62 91 128 174

1 1 3 9 22 46 86 148 239 367

-1 0 3 12 34 80 166 314

1 1 4 16 50 130 296

-1 0 4 20 70 200

1 1 5 25 95

-1 0 5 30

1 1 6

-1 0

1