A168120 - OEIS

A168120 as a triangular array

1

1 1

1 0 1

2 1 0 1

2 0 0 0 1

3 1 1 0 0 1

4 0 0 0 0 0 1

5 2 0 1 0 0 0 1

6 0 1 0 0 0 0 0 1

8 2 0 0 1 0 0 0 0 1

10 0 0 0 0 0 0 0 0 0 1

12 3 2 1 0 1 0 0 0 0 0 1

15 0 0 0 0 0 0 0 0 0 0 0 1

1 1 1 2 2 3 4 5 6 8 10 12 15

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

1 0 0 1 0 0 1 0 0 2 0

1 0 0 0 1 0 0 0 1 0

1 0 0 0 0 1 0 0 0

1 0 0 0 0 0 1 0

1 0 0 0 0 0 0

1 0 0 0 0 0

1 0 0 0 0

1 0 0 0

1 0 0

1 0

1