A140581 as tables, graphs or sounds

A140581 formatted as a triangular array:

1

1 1

2 0 1

0 1 0 1

4 0 0 0 1

-3 2 1 0 0 1

6 0 0 0 0 0 1

0 0 0 1 0 0 0 1

0 0 2 0 0 0 0 0 1

-5 4 0 0 1 0 0 0 0 1

10 0 0 0 0 0 0 0 0 0 1

0 -3 0 20 1 0 0 0 0 0 1 12

0 0 0 0 0 0 0 0 0 0 0 1 -7

1 1 2 0 4 -3 6 0 0 -5 10 0 0

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

1 0 0 1 0 0 2 0 0 0 0

1 0 0 0 1 0 0 0 20 0

1 0 0 0 0 1 0 1 0

1 0 0 0 0 0 0 0

1 0 0 0 0 0 0

1 0 0 0 0 0

1 0 0 0 0

1 0 0 0

1 1 0

12 1

-7