A213249 as a triangular array
| | | | | | 2 |
| | | | | | 8 | | 16 |
| | | | | 18 | | 64 | | 134 |
| | | | 34 | | 170 | | 706 | | 1854 |
| | | 60 | | 398 | | 2346 | | 13198 | | 41478 |
| | 102 | | 880 | | 6832 | | 55454 | | 382116 | | 1424988 |
|
A213249 as a square array
| 2 | 8 | 18 | 34 | 60 | 102
| | 16 | 64 | 170 | 398 | 880
| | 134 | 706 | 2346 | 6832
| | 1854 | 13198 | 55454
| | 41478 | 382116
| | 1424988
|
A213249 as an upper right triangle
| 2 | 8 | 18 | 34 | 60 | 102
| | 16 | 64 | 170 | 398 | 880
| | | 134 | 706 | 2346 | 6832
| | | | 1854 | 13198 | 55454
| | | | | 41478 | 382116
| | | | | | 1424988
|
|
