A055107 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | 1 | | 8 | | 12 | | 1 |
| | | | | | | 1 | | 13 | | 44 | | 33 | | 1 |
| | | | | | 1 | | 19 | | 109 | | 208 | | 88 | | 1 |
| | | | | 1 | | 26 | | 223 | | 753 | | 910 | | 232 | | 1 |
| | | | 1 | | 34 | | 405 | | 2091 | | 4674 | | 3809 | | 609 | | 1 |
| | | 1 | | 43 | | 677 | | 4926 | | 17220 | | 27161 | | 15521 | | 1596 | | 1 |
| | 1 | | 53 | | 1064 | | 10342 | | 51702 | | 130480 | | 151134 | | 62185 | | 4180 | | 1 |
|
A055107 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 8 | 13 | 19 | 26 | 34 | 43 | 53
| | 1 | 12 | 44 | 109 | 223 | 405 | 677 | 1064
| | 1 | 33 | 208 | 753 | 2091 | 4926 | 10342
| | 1 | 88 | 910 | 4674 | 17220 | 51702
| | 1 | 232 | 3809 | 27161 | 130480
| | 1 | 609 | 15521 | 151134
| | 1 | 1596 | 62185
| | 1 | 4180
| | 1
|
A055107 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 8 | 13 | 19 | 26 | 34 | 43 | 53
| | | 1 | 12 | 44 | 109 | 223 | 405 | 677 | 1064
| | | | 1 | 33 | 208 | 753 | 2091 | 4926 | 10342
| | | | | 1 | 88 | 910 | 4674 | 17220 | 51702
| | | | | | 1 | 232 | 3809 | 27161 | 130480
| | | | | | | 1 | 609 | 15521 | 151134
| | | | | | | | 1 | 1596 | 62185
| | | | | | | | | 1 | 4180
| | | | | | | | | | 1
|
|
