A229557 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 2 | | 1 |
| | | | | | | | 1 | | 1 | | 6 | | 3 | | 1 |
| | | | | | | 1 | | 1 | | 12 | | 33 | | 5 | | 1 |
| | | | | | 1 | | 1 | | 60 | | 825 | | 365 | | 8 | | 1 |
| | | | | 1 | | 1 | | 20 | | 113025 | | 810665 | | 5992 | | 13 | | 1 |
| | | | 1 | | 1 | | 140 | | 5538225 | | 286794631705 | | 5886103384 | | 164541 | | 21 | | 1 |
| | | 1 | | 1 | | 280 | | 60920475 | | 5619905141583441965 | | 4630449259971272605672 | | 14469935305431 | | 1031079 | | 34 | | 1 |
| | 1 | | 1 |
|
A229557 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 6 | 12 | 60 | 20 | 140 | 280
| | 1 | 3 | 33 | 825 | 113025 | 5538225 | 60920475
| | 1 | 5 | 365 | 810665 | 286794631705 | 5619905141583441965
| | 1 | 8 | 5992 | 5886103384 | 4630449259971272605672
| | 1 | 13 | 164541 | 14469935305431
| | 1 | 21 | 1031079
| | 1 | 34
| | 1
|
A229557 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 1 | 2 | 6 | 12 | 60 | 20 | 140 | 280
| | | | 1 | 3 | 33 | 825 | 113025 | 5538225 | 60920475
| | | | | 1 | 5 | 365 | 810665 | 286794631705 | 5619905141583441965
| | | | | | 1 | 8 | 5992 | 5886103384 | 4630449259971272605672
| | | | | | | 1 | 13 | 164541 | 14469935305431
| | | | | | | | 1 | 21 | 1031079
| | | | | | | | | 1 | 34
| | | | | | | | | | 1
| | | | | | | | | |
|
|
