A273719 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 3 | | 1 | | 1 |
| | | | | | | | | 8 | | 3 | | 1 | | 1 |
| | | | | | | | 21 | | 9 | | 3 | | 1 | | 1 |
| | | | | | | 55 | | 27 | | 10 | | 3 | | 1 | | 1 |
| | | | | | 144 | | 82 | | 33 | | 11 | | 3 | | 1 | | 1 |
| | | | | 377 | | 251 | | 110 | | 39 | | 12 | | 3 | | 1 | | 1 |
| | | | 987 | | 770 | | 368 | | 139 | | 45 | | 13 | | 3 | | 1 | | 1 |
| | | 2584 | | 2358 | | 1229 | | 495 | | 169 | | 51 | | 14 | | 3 | | 1 | | 1 |
| | 6765 | | 7191 | | 4085 | | 1755 | | 632 | | 200 | | 57 | | 15 | | 3 | | 1 | | 1 |
|
A273719 as a square array
| 1 | 1 | 3 | 8 | 21 | 55 | 144 | 377 | 987 | 2584 | 6765
| | 1 | 1 | 3 | 9 | 27 | 82 | 251 | 770 | 2358 | 7191
| | 1 | 1 | 3 | 10 | 33 | 110 | 368 | 1229 | 4085
| | 1 | 1 | 3 | 11 | 39 | 139 | 495 | 1755
| | 1 | 1 | 3 | 12 | 45 | 169 | 632
| | 1 | 1 | 3 | 13 | 51 | 200
| | 1 | 1 | 3 | 14 | 57
| | 1 | 1 | 3 | 15
| | 1 | 1 | 3
| | 1 | 1
| | 1
|
A273719 as an upper right triangle
| 1 | 1 | 3 | 8 | 21 | 55 | 144 | 377 | 987 | 2584 | 6765
| | 1 | 1 | 3 | 9 | 27 | 82 | 251 | 770 | 2358 | 7191
| | | 1 | 1 | 3 | 10 | 33 | 110 | 368 | 1229 | 4085
| | | | 1 | 1 | 3 | 11 | 39 | 139 | 495 | 1755
| | | | | 1 | 1 | 3 | 12 | 45 | 169 | 632
| | | | | | 1 | 1 | 3 | 13 | 51 | 200
| | | | | | | 1 | 1 | 3 | 14 | 57
| | | | | | | | 1 | 1 | 3 | 15
| | | | | | | | | 1 | 1 | 3
| | | | | | | | | | 1 | 1
| | | | | | | | | | | 1
|
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