A010026 as a triangular array
| | | | | | | | | 2 |
| | | | | | | | | 2 | | 4 |
| | | | | | | | 2 | | 12 | | 10 |
| | | | | | | 2 | | 16 | | 70 | | 32 |
| | | | | | 2 | | 20 | | 134 | | 442 | | 122 |
| | | | | 2 | | 24 | | 198 | | 1164 | | 3108 | | 544 |
| | | | 2 | | 28 | | 274 | | 2048 | | 10982 | | 24216 | | 2770 |
| | | 2 | | 32 | | 362 | | 3204 | | 22468 | | 112354 | | 208586 | | 15872 |
| | 2 | | 36 | | 462 | | 4720 | | 39420 | | 264538 | | 1245676 | | 1972904 | | 101042 |
|
A010026 as a square array
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| 4 | 12 | 16 | 20 | 24 | 28 | 32 | 36
| 10 | 70 | 134 | 198 | 274 | 362 | 462
| 32 | 442 | 1164 | 2048 | 3204 | 4720
| 122 | 3108 | 10982 | 22468 | 39420
| 544 | 24216 | 112354 | 264538
| 2770 | 208586 | 1245676
| 15872 | 1972904
| 101042
|
A010026 as an upper right triangle
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| | 4 | 12 | 16 | 20 | 24 | 28 | 32 | 36
| | | 10 | 70 | 134 | 198 | 274 | 362 | 462
| | | | 32 | 442 | 1164 | 2048 | 3204 | 4720
| | | | | 122 | 3108 | 10982 | 22468 | 39420
| | | | | | 544 | 24216 | 112354 | 264538
| | | | | | | 2770 | 208586 | 1245676
| | | | | | | | 15872 | 1972904
| | | | | | | | | 101042
|
|