A191731 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 3 | | 2 |
| | | | | | | | | | 8 | | 4 | | 5 |
| | | | | | | | | 19 | | 9 | | 13 | | 6 |
| | | | | | | | 48 | | 23 | | 33 | | 14 | | 7 |
| | | | | | | 119 | | 58 | | 83 | | 34 | | 18 | | 10 |
| | | | | | 298 | | 144 | | 208 | | 84 | | 44 | | 24 | | 11 |
| | | | | 744 | | 359 | | 519 | | 209 | | 109 | | 59 | | 28 | | 12 |
| | | | 1859 | | 898 | | 1298 | | 523 | | 273 | | 148 | | 69 | | 29 | | 15 |
| | | 4648 | | 2244 | | 3244 | | 1308 | | 683 | | 369 | | 173 | | 73 | | 38 | | 16 |
| | 11619 | | 5609 | | 8109 |
|
A191731 as a square array
1 | 3 | 8 | 19 | 48 | 119 | 298 | 744 | 1859 | 4648 | 11619
| 2 | 4 | 9 | 23 | 58 | 144 | 359 | 898 | 2244 | 5609
| 5 | 13 | 33 | 83 | 208 | 519 | 1298 | 3244 | 8109
| 6 | 14 | 34 | 84 | 209 | 523 | 1308
| 7 | 18 | 44 | 109 | 273 | 683
| 10 | 24 | 59 | 148 | 369
| 11 | 28 | 69 | 173
| 12 | 29 | 73
| 15 | 38
| 16
|
A191731 as an upper right triangle
1 | 3 | 8 | 19 | 48 | 119 | 298 | 744 | 1859 | 4648 | 11619
| | 2 | 4 | 9 | 23 | 58 | 144 | 359 | 898 | 2244 | 5609
| | | 5 | 13 | 33 | 83 | 208 | 519 | 1298 | 3244 | 8109
| | | | 6 | 14 | 34 | 84 | 209 | 523 | 1308
| | | | | 7 | 18 | 44 | 109 | 273 | 683
| | | | | | 10 | 24 | 59 | 148 | 369
| | | | | | | 11 | 28 | 69 | 173
| | | | | | | | 12 | 29 | 73
| | | | | | | | | 15 | 38
| | | | | | | | | | 16
| | | | | | | | | |
|
|