A172101 - OEIS

A172101 as a triangular array

1

0 1

0 1 1

0 1 1 1

0 1 2 2 1

0 1 2 4 2 1

0 1 3 6 6 3 1

0 1 3 9 9 9 3 1

0 1 4 12 18 18 12 4 1

0 1 4 16 24 36 24 16 4 1

0 1 5 20 40 60 60 40 20 5 1

0 1 5 25 50 100 100 100 50 25 5 1

0 1 6 30 75 150 200 200 150 75 30 6 1

1 0 0 0 0 0 0 0 0 0 0 0 0

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

1 1 2 2 3 3 4 4 5 5 6

1 2 4 6 9 12 16 20 25 30

1 2 6 9 18 24 40 50 75

1 3 9 18 36 60 100 150

1 3 12 24 60 100 200

1 4 16 40 100 200

1 4 20 50 150

1 5 25 75

1 5 30

1 6

1