A275330 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 3 |
| | | | | | | | | 2 | | 3 | | 7 |
| | | | | | | | 4 | | 6 | | 7 | | 19 |
| | | | | | | 9 | | 12 | | 14 | | 19 | | 46 |
| | | | | | 20 | | 27 | | 28 | | 38 | | 46 | | 129 |
| | | | | 48 | | 60 | | 63 | | 76 | | 92 | | 129 | | 337 |
| | | | 115 | | 144 | | 140 | | 171 | | 184 | | 258 | | 337 | | 939 |
| | | 286 | | 345 | | 336 | | 380 | | 414 | | 516 | | 674 | | 939 | | 2581 |
| | 719 | | 858 | | 805 | | 912 | | 920 | | 1161 | | 1348 | | 1878 | | 2581 | | 7238 |
|
A275330 as a square array
1 | 1 | 2 | 4 | 9 | 20 | 48 | 115 | 286 | 719
| 3 | 3 | 6 | 12 | 27 | 60 | 144 | 345 | 858
| 7 | 7 | 14 | 28 | 63 | 140 | 336 | 805
| 19 | 19 | 38 | 76 | 171 | 380 | 912
| 46 | 46 | 92 | 184 | 414 | 920
| 129 | 129 | 258 | 516 | 1161
| 337 | 337 | 674 | 1348
| 939 | 939 | 1878
| 2581 | 2581
| 7238
|
A275330 as an upper right triangle
1 | 1 | 2 | 4 | 9 | 20 | 48 | 115 | 286 | 719
| | 3 | 3 | 6 | 12 | 27 | 60 | 144 | 345 | 858
| | | 7 | 7 | 14 | 28 | 63 | 140 | 336 | 805
| | | | 19 | 19 | 38 | 76 | 171 | 380 | 912
| | | | | 46 | 46 | 92 | 184 | 414 | 920
| | | | | | 129 | 129 | 258 | 516 | 1161
| | | | | | | 337 | 337 | 674 | 1348
| | | | | | | | 939 | 939 | 1878
| | | | | | | | | 2581 | 2581
| | | | | | | | | | 7238
|
|