A215474 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 3 |
| | | | | | | | | 1 | | 5 | | 14 |
| | | | | | | | 1 | | 8 | | 32 | | 90 |
| | | | | | | 1 | | 14 | | 80 | | 294 | | 829 |
| | | | | | 1 | | 23 | | 196 | | 964 | | 3409 | | 9695 |
| | | | | 1 | | 41 | | 508 | | 3304 | | 14569 | | 49685 | | 141280 |
| | | | 1 | | 71 | | 1318 | | 11464 | | 63319 | | 259475 | | 861580 | | 2447592 |
| | | 1 | | 127 | | 3502 | | 40584 | | 280319 | | 1379195 | | 5345276 | | 17360616 | | 49212093 |
| | 1 | | 226 | | 9382 |
|
A215474 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 5 | 8 | 14 | 23 | 41 | 71 | 127 | 226
| | 14 | 32 | 80 | 196 | 508 | 1318 | 3502 | 9382
| | 90 | 294 | 964 | 3304 | 11464 | 40584
| | 829 | 3409 | 14569 | 63319 | 280319
| | 9695 | 49685 | 259475 | 1379195
| | 141280 | 861580 | 5345276
| | 2447592 | 17360616
| | 49212093
|
A215474 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 5 | 8 | 14 | 23 | 41 | 71 | 127 | 226
| | | 14 | 32 | 80 | 196 | 508 | 1318 | 3502 | 9382
| | | | 90 | 294 | 964 | 3304 | 11464 | 40584
| | | | | 829 | 3409 | 14569 | 63319 | 280319
| | | | | | 9695 | 49685 | 259475 | 1379195
| | | | | | | 141280 | 861580 | 5345276
| | | | | | | | 2447592 | 17360616
| | | | | | | | | 49212093
| | | | | | | | |
|
|
