A137867 - OEIS

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A137867 as a triangular array

-1

1 0

0 1 -1

1 1 0 0

0 2 1 0 0

1 2 1 -1 1 1

2 1 0 0 0 0 4

6 6 4 1 0 0 0 2

5 6 6 4 1 0 0 1 2

5 6 6 4 1 -1 1 1 2 5

6 6 4 1 0 0 0 0 0 8 20

40 68 94 114 116 94 60 28 8 1 0 0

0 0 4 14 26 44 69 94 114 116 94 60 28

8 1 0 0 0 2 5 14 26 44 69 94 114 116

94 60 28 8

A137867 as a square array

-1 1 0 1 0 1 2 6 5 5 6 40 0 8 94

0 1 1 2 2 1 6 6 6 6 68 0 1 60

-1 0 1 1 0 4 6 6 4 94 4 0 28

0 0 -1 0 1 4 4 1 114 14 0 8

0 1 0 0 1 1 0 116 26 0

1 0 0 0 -1 0 94 44 2

4 0 0 1 0 60 69 5

2 1 1 0 28 94 14

2 2 0 8 114 26

5 8 1 116 44

20 0 94 69

0 60 94

28 114

116

A137867 as an upper right triangle