A154109 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 2 | | 0 | | | | | | | | |
| | | | | | | 3 | | 0 | | 2 | | | | | | | |
| | | | | | 4 | | 0 | | 4 | | 7 | | | | | | |
| | | | | 5 | | 0 | | 6 | | 14 | | 27 | | | | | |
| | | | 6 | | 0 | | 8 | | 21 | | 54 | | 114 | | | | |
| | | 7 | | 0 | | 10 | | 28 | | 81 | | 228 | | 523 | | | |
| | 8 | | 0 | | 12 | | 35 | | 108 | | 342 | | 1046 | | 2589 | | |
| 9 | | 0 | | 14 | | 42 | | 135 | | 456 | | 1569 | | 5178 | | 13744 | |
| 10 | | 0 | | 16 | | 49 | | 162 | | 570 | | 2092 | | 7767 | | 27488 | | 77821 |
A154109 formatted as a square array:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | | |
| 7 | 14 | 21 | 28 | 35 | 42 | 49 | | | |
| 27 | 54 | 81 | 108 | 135 | 162 | | | | |
| 114 | 228 | 342 | 456 | 570 | | | | | |
| 523 | 1046 | 1569 | 2092 | | | | | | |
| 2589 | 5178 | 7767 | | | | | | | |
| 13744 | 27488 | | | | | | | | |
| 77821 | | | | | | | | | |
A154109 formatted as an upper right triangle:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
| | | 7 | 14 | 21 | 28 | 35 | 42 | 49 |
| | | | 27 | 54 | 81 | 108 | 135 | 162 |
| | | | | 114 | 228 | 342 | 456 | 570 |
| | | | | | 523 | 1046 | 1569 | 2092 |
| | | | | | | 2589 | 5178 | 7767 |
| | | | | | | | 13744 | 27488 |
| | | | | | | | | 77821 |
|