A156665 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 3 | | 2 | | 1 |
| | | | | | | | | 3 | | 5 | | 3 | | 1 |
| | | | | | | | 7 | | 8 | | 8 | | 4 | | 1 |
| | | | | | | 7 | | 15 | | 16 | | 12 | | 5 | | 1 |
| | | | | | 15 | | 22 | | 31 | | 28 | | 17 | | 6 | | 1 |
| | | | | 15 | | 37 | | 53 | | 59 | | 45 | | 23 | | 7 | | 1 |
| | | | 31 | | 52 | | 90 | | 112 | | 104 | | 68 | | 30 | | 8 | | 1 |
| | | 31 | | 83 | | 142 | | 202 | | 216 | | 172 | | 98 | | 38 | | 9 | | 1 |
| | 63 | | 114 | | 225 | | 344 | | 418 | | 388 | | 270 | | 136 | | 47 | | 10 | | 1 |
|
A156665 as a square array
| 1 | 1 | 3 | 3 | 7 | 7 | 15 | 15 | 31 | 31 | 63
| | 1 | 2 | 5 | 8 | 15 | 22 | 37 | 52 | 83 | 114
| | 1 | 3 | 8 | 16 | 31 | 53 | 90 | 142 | 225
| | 1 | 4 | 12 | 28 | 59 | 112 | 202 | 344
| | 1 | 5 | 17 | 45 | 104 | 216 | 418
| | 1 | 6 | 23 | 68 | 172 | 388
| | 1 | 7 | 30 | 98 | 270
| | 1 | 8 | 38 | 136
| | 1 | 9 | 47
| | 1 | 10
| | 1
|
A156665 as an upper right triangle
| 1 | 1 | 3 | 3 | 7 | 7 | 15 | 15 | 31 | 31 | 63
| | 1 | 2 | 5 | 8 | 15 | 22 | 37 | 52 | 83 | 114
| | | 1 | 3 | 8 | 16 | 31 | 53 | 90 | 142 | 225
| | | | 1 | 4 | 12 | 28 | 59 | 112 | 202 | 344
| | | | | 1 | 5 | 17 | 45 | 104 | 216 | 418
| | | | | | 1 | 6 | 23 | 68 | 172 | 388
| | | | | | | 1 | 7 | 30 | 98 | 270
| | | | | | | | 1 | 8 | 38 | 136
| | | | | | | | | 1 | 9 | 47
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
|
|
