A127701 as tables, graphs or sounds

A127701 formatted as a triangular array:

1

1 2

0 1 3

0 0 1 4

0 0 0 1 5

0 0 0 0 1 6

0 0 0 0 0 1 7

0 0 0 0 0 0 1 8

0 0 0 0 0 0 0 1 9

0 0 0 0 0 0 0 0 1 10

0 0 0 0 0 0 0 0 0 1 11

0 0 0 0 0 0 0 0 0 0 1 12

0 0 0 0 0 0 0 0 0 0 0 1 13

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

2 1 0 0 0 0 0 0 0 0 0 0

3 1 0 0 0 0 0 0 0 0 0

4 1 0 0 0 0 0 0 0 0

5 1 0 0 0 0 0 0 0

6 1 0 0 0 0 0 0

7 1 0 0 0 0 0

8 1 0 0 0 0

9 1 0 0 0

10 1 0 0

11 1 0

12 1

13