A208912 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 2 | | 2 |
| | | | | | | | | | 3 | | 5 | | 4 |
| | | | | | | | | 4 | | 9 | | 15 | | 8 |
| | | | | | | | 5 | | 14 | | 36 | | 37 | | 16 |
| | | | | | | 6 | | 20 | | 70 | | 105 | | 91 | | 32 |
| | | | | | 7 | | 27 | | 120 | | 235 | | 306 | | 213 | | 64 |
| | | | | 8 | | 35 | | 189 | | 455 | | 791 | | 819 | | 491 | | 128 |
| | | | 9 | | 44 | | 280 | | 798 | | 1736 | | 2380 | | 2136 | | 1109 | | 256 |
| | | 10 | | 54 | | 396 | | 1302 | | 3402 | | 5796 | | 6924 | | 5373 | | 2475 | | 512 |
| | 11 | | 65 | | 540 |
|
A208912 as a square array
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| 2 | 5 | 9 | 14 | 20 | 27 | 35 | 44 | 54 | 65
| 4 | 15 | 36 | 70 | 120 | 189 | 280 | 396 | 540
| 8 | 37 | 105 | 235 | 455 | 798 | 1302
| 16 | 91 | 306 | 791 | 1736 | 3402
| 32 | 213 | 819 | 2380 | 5796
| 64 | 491 | 2136 | 6924
| 128 | 1109 | 5373
| 256 | 2475
| 512
|
A208912 as an upper right triangle
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | 2 | 5 | 9 | 14 | 20 | 27 | 35 | 44 | 54 | 65
| | | 4 | 15 | 36 | 70 | 120 | 189 | 280 | 396 | 540
| | | | 8 | 37 | 105 | 235 | 455 | 798 | 1302
| | | | | 16 | 91 | 306 | 791 | 1736 | 3402
| | | | | | 32 | 213 | 819 | 2380 | 5796
| | | | | | | 64 | 491 | 2136 | 6924
| | | | | | | | 128 | 1109 | 5373
| | | | | | | | | 256 | 2475
| | | | | | | | | | 512
| | | | | | | | | |
|
|