A160870 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 4 | | 7 | | 1 |
| | | | | | | | 1 | | 7 | | 13 | | 15 | | 1 |
| | | | | | | 1 | | 6 | | 35 | | 40 | | 31 | | 1 |
| | | | | | 1 | | 12 | | 31 | | 155 | | 121 | | 63 | | 1 |
| | | | | 1 | | 8 | | 91 | | 156 | | 651 | | 364 | | 127 | | 1 |
| | | | 1 | | 15 | | 57 | | 600 | | 781 | | 2667 | | 1093 | | 255 | | 1 |
| | | 1 | | 13 | | 155 | | 400 | | 3751 | | 3906 | | 10795 | | 3280 | | 511 | | 1 |
| | 1 | | 18 | | 130 | | 1395 | | 2801 | | 22932 | | 19531 | | 43435 | | 9841 | | 1023 | | 1 |
|
A160870 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 4 | 7 | 6 | 12 | 8 | 15 | 13 | 18
| | 1 | 7 | 13 | 35 | 31 | 91 | 57 | 155 | 130
| | 1 | 15 | 40 | 155 | 156 | 600 | 400 | 1395
| | 1 | 31 | 121 | 651 | 781 | 3751 | 2801
| | 1 | 63 | 364 | 2667 | 3906 | 22932
| | 1 | 127 | 1093 | 10795 | 19531
| | 1 | 255 | 3280 | 43435
| | 1 | 511 | 9841
| | 1 | 1023
| | 1
|
A160870 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 4 | 7 | 6 | 12 | 8 | 15 | 13 | 18
| | | 1 | 7 | 13 | 35 | 31 | 91 | 57 | 155 | 130
| | | | 1 | 15 | 40 | 155 | 156 | 600 | 400 | 1395
| | | | | 1 | 31 | 121 | 651 | 781 | 3751 | 2801
| | | | | | 1 | 63 | 364 | 2667 | 3906 | 22932
| | | | | | | 1 | 127 | 1093 | 10795 | 19531
| | | | | | | | 1 | 255 | 3280 | 43435
| | | | | | | | | 1 | 511 | 9841
| | | | | | | | | | 1 | 1023
| | | | | | | | | | | 1
|
|
