A003983 as tables, graphs or sounds

A003983 formatted as a triangular array:

1

1 1

1 2 1

1 2 2 1

1 2 3 2 1

1 2 3 3 2 1

1 2 3 4 3 2 1

1 2 3 4 4 3 2 1

1 2 3 4 5 4 3 2 1

1 2 3 4 5 5 4 3 2 1

1 2 3 4 5 6 5 4 3 2 1

1 2 3 4 5 6 6 5 4 3 2 1

1 2 3 4 5 6 7 6 5 4 3 2 1

1 2 3 4 5 6 7 7 6 5 4 3 2 1

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

1 2 2 2 2 2 2 2 2 2 2 2 2

1 2 3 3 3 3 3 3 3 3 3 3

1 2 3 4 4 4 4 4 4 4 4

1 2 3 4 5 5 5 5 5 5

1 2 3 4 5 6 6 6 6

1 2 3 4 5 6 7 7

1 2 3 4 5 6 7

1 2 3 4 5 6

1 2 3 4 5

1 2 3 4

1 2 3

1 2

1