A127471 - OEIS

A127471 as a triangular array

1

2 1

2 0 2

3 2 0 2

2 0 0 0 4

4 2 4 0 0 2

2 0 0 0 0 0 6

4 3 0 4 0 0 0 4

3 0 4 0 0 0 0 0 6

4 2 0 0 8 0 0 0 0 4

2 0 0 0 0 0 0 0 0 0 10

6 4 6 4 0 4 0 0 0 0 0 4

2 0 0 0 0 0 0 0 0 0 0 0 12

1 2 2 3 2 4 2 4 3 4 2 6 2

1 0 2 0 2 0 3 0 2 0 4 0

2 0 0 4 0 0 4 0 0 6 0

2 0 0 0 4 0 0 0 4 0

4 0 0 0 0 8 0 0 0

2 0 0 0 0 0 4 0

6 0 0 0 0 0 0

4 0 0 0 0 0

6 0 0 0 0

4 0 0 0

10 0 0

4 0

12