A055584 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 5 | | 1 |
| | | | | | | | | | 19 | | 6 | | 1 |
| | | | | | | | | 63 | | 25 | | 7 | | 1 |
| | | | | | | | 192 | | 88 | | 32 | | 8 | | 1 |
| | | | | | | 552 | | 280 | | 120 | | 40 | | 9 | | 1 |
| | | | | | 1520 | | 832 | | 400 | | 160 | | 49 | | 10 | | 1 |
| | | | | 4048 | | 2352 | | 1232 | | 560 | | 209 | | 59 | | 11 | | 1 |
| | | | 10496 | | 6400 | | 3584 | | 1792 | | 769 | | 268 | | 70 | | 12 | | 1 |
| | | 26624 | | 16896 | | 9984 | | 5376 | | 2561 | | 1037 | | 338 | | 82 | | 13 | | 1 |
| | 66304 | | 43520 |
|
A055584 as a square array
1 | 5 | 19 | 63 | 192 | 552 | 1520 | 4048 | 10496 | 26624 | 66304
| 1 | 6 | 25 | 88 | 280 | 832 | 2352 | 6400 | 16896 | 43520
| 1 | 7 | 32 | 120 | 400 | 1232 | 3584 | 9984
| 1 | 8 | 40 | 160 | 560 | 1792 | 5376
| 1 | 9 | 49 | 209 | 769 | 2561
| 1 | 10 | 59 | 268 | 1037
| 1 | 11 | 70 | 338
| 1 | 12 | 82
| 1 | 13
| 1
|
A055584 as an upper right triangle
1 | 5 | 19 | 63 | 192 | 552 | 1520 | 4048 | 10496 | 26624 | 66304
| | 1 | 6 | 25 | 88 | 280 | 832 | 2352 | 6400 | 16896 | 43520
| | | 1 | 7 | 32 | 120 | 400 | 1232 | 3584 | 9984
| | | | 1 | 8 | 40 | 160 | 560 | 1792 | 5376
| | | | | 1 | 9 | 49 | 209 | 769 | 2561
| | | | | | 1 | 10 | 59 | 268 | 1037
| | | | | | | 1 | 11 | 70 | 338
| | | | | | | | 1 | 12 | 82
| | | | | | | | | 1 | 13
| | | | | | | | | | 1
| | | | | | | | | |
|
|