A054522 - OEIS

A054522 as a triangular array

1

1 1

1 0 2

1 1 0 2

1 0 0 0 4

1 1 2 0 0 2

1 0 0 0 0 0 6

1 1 0 2 0 0 0 4

1 0 2 0 0 0 0 0 6

1 1 0 0 4 0 0 0 0 4

1 0 0 0 0 0 0 0 0 0 10

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

1 0 0 0 0 0 0 0 0 0 0 0 12

1 1 0 0 0 0 6 0 0 0 0 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

2 0 0 2 0 0 2 0 0 2 0 0

2 0 0 0 2 0 0 0 2 0 0

4 0 0 0 0 4 0 0 0 0

2 0 0 0 0 0 2 0 0

6 0 0 0 0 0 0 6

4 0 0 0 0 0 0

6 0 0 0 0 0

4 0 0 0 0

10 0 0 0

4 0 0

12