A048570 - OEIS

A048570 as a triangular array

1

1 1

1 2 1

1 2 2 1

1 3 4 3 1

1 2 4 4 2 1

1 4 4 6 4 4 1

1 2 4 4 4 4 2 1

1 4 6 8 8 8 6 4 1

1 3 9 12 12 12 12 9 3 1

1 4 6 16 16 18 16 16 6 4 1

1 2 4 8 16 16 16 16 8 4 2 1

1 6 8 12 12 24 24 24

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

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

1 2 4 4 4 4 6 9 6 4 8

1 3 4 6 4 8 12 16 8 12

1 2 4 4 8 12 16 16 12

1 4 4 8 12 18 16 24

1 2 6 12 16 16 24

1 4 9 16 16 24

1 3 6 8

1 4 4

1 2

1