A135898 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | 0 | | 1 | | 1 |
| | | | | | | | | 0 | | 2 | | 2 | | 1 |
| | | | | | | | 0 | | 6 | | 7 | | 3 | | 1 |
| | | | | | | 0 | | 25 | | 34 | | 15 | | 4 | | 1 |
| | | | | | 0 | | 138 | | 215 | | 99 | | 26 | | 5 | | 1 |
| | | | | 0 | | 970 | | 1698 | | 814 | | 216 | | 40 | | 6 | | 1 |
| | | | 0 | | 8390 | | 16220 | | 8057 | | 2171 | | 400 | | 57 | | 7 | | 1 |
| | | 0 | | 86796 | | 182714 | | 93627 | | 25628 | | 4740 | | 666 | | 77 | | 8 | | 1 |
| | 0 | | 1049546 | | 2378780 | | 1252752 | | 348050 | | 64805 |
|
A135898 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 2 | 6 | 25 | 138 | 970 | 8390 | 86796 | 1049546
| 1 | 2 | 7 | 34 | 215 | 1698 | 16220 | 182714 | 2378780
| 1 | 3 | 15 | 99 | 814 | 8057 | 93627 | 1252752
| 1 | 4 | 26 | 216 | 2171 | 25628 | 348050
| 1 | 5 | 40 | 400 | 4740 | 64805
| 1 | 6 | 57 | 666
| 1 | 7 | 77
| 1 | 8
| 1
|
A135898 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 2 | 6 | 25 | 138 | 970 | 8390 | 86796 | 1049546
| | | 1 | 2 | 7 | 34 | 215 | 1698 | 16220 | 182714 | 2378780
| | | | 1 | 3 | 15 | 99 | 814 | 8057 | 93627 | 1252752
| | | | | 1 | 4 | 26 | 216 | 2171 | 25628 | 348050
| | | | | | 1 | 5 | 40 | 400 | 4740 | 64805
| | | | | | | 1 | 6 | 57 | 666
| | | | | | | | 1 | 7 | 77
| | | | | | | | | 1 | 8
| | | | | | | | | | 1
| | | | | | | | | |
|
|