A199656 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 3 |
| | | | | | | 1 | | 7 | | 19 |
| | | | | | 1 | | 15 | | 65 | | 175 |
| | | | | 1 | | 31 | | 211 | | 781 | | 2101 |
| | | | 1 | | 63 | | 665 | | 3367 | | 11529 | | 31031 |
| | | 1 | | 127 | | 2059 | | 14197 | | 61741 | | 201811 | | 543607 |
| | 1 | | 255 | | 6305 | | 58975 | | 325089 | | 1288991 | | 4085185 | | 11012415 |
|
A199656 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 3 | 7 | 15 | 31 | 63 | 127 | 255
| 19 | 65 | 211 | 665 | 2059 | 6305
| 175 | 781 | 3367 | 14197 | 58975
| 2101 | 11529 | 61741 | 325089
| 31031 | 201811 | 1288991
| 543607 | 4085185
| 11012415
|
A199656 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 7 | 15 | 31 | 63 | 127 | 255
| | | 19 | 65 | 211 | 665 | 2059 | 6305
| | | | 175 | 781 | 3367 | 14197 | 58975
| | | | | 2101 | 11529 | 61741 | 325089
| | | | | | 31031 | 201811 | 1288991
| | | | | | | 543607 | 4085185
| | | | | | | | 11012415
|
|