A157178 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 8 | | 1 |
| | | | | | | | 1 | | 21 | | 21 | | 1 |
| | | | | | | 1 | | 46 | | 142 | | 46 | | 1 |
| | | | | | 1 | | 95 | | 644 | | 644 | | 95 | | 1 |
| | | | | 1 | | 192 | | 2439 | | 5416 | | 2439 | | 192 | | 1 |
| | | | 1 | | 385 | | 8415 | | 34879 | | 34879 | | 8415 | | 385 | | 1 |
| | | 1 | | 770 | | 27556 | | 192286 | | 358454 | | 192286 | | 27556 | | 770 | | 1 |
| | 1 | | 1539 | | 87486 | | 962090 | | 3001044 | | 3001044 | | 962090 | | 87486 |
|
A157178 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 8 | 21 | 46 | 95 | 192 | 385 | 770 | 1539
| | 1 | 21 | 142 | 644 | 2439 | 8415 | 27556 | 87486
| | 1 | 46 | 644 | 5416 | 34879 | 192286 | 962090
| | 1 | 95 | 2439 | 34879 | 358454 | 3001044
| | 1 | 192 | 8415 | 192286 | 3001044
| | 1 | 385 | 27556 | 962090
| | 1 | 770 | 87486
| | 1
|
A157178 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 8 | 21 | 46 | 95 | 192 | 385 | 770 | 1539
| | | 1 | 21 | 142 | 644 | 2439 | 8415 | 27556 | 87486
| | | | 1 | 46 | 644 | 5416 | 34879 | 192286 | 962090
| | | | | 1 | 95 | 2439 | 34879 | 358454 | 3001044
| | | | | | 1 | 192 | 8415 | 192286 | 3001044
| | | | | | | 1 | 385 | 27556 | 962090
| | | | | | | | 1 | 770 | 87486
| | | | | | | | | 1
| | | | | | | | |
|
|
