A278588 as a triangular array
| | | | | | | 9 |
| | | | | | | 18 | | 198 |
| | | | | | 27 | | 54 | | 2997 |
| | | | | 36 | | 396 | | 108 | | 39996 |
| | | | 45 | | 90 | | 135 | | 180 | | 499995 |
| | | 54 | | 594 | | 5994 | | 3564 | | 270 | | 5999994 |
| | 63 | | 126 | | 189 | | 252 | | 315 |
|
A278588 as a square array
9 | 18 | 27 | 36 | 45 | 54 | 63
| 198 | 54 | 396 | 90 | 594 | 126
| 2997 | 108 | 135 | 5994 | 189
| 39996 | 180 | 3564 | 252
| 499995 | 270 | 315
| 5999994
|
A278588 as an upper right triangle
9 | 18 | 27 | 36 | 45 | 54 | 63
| | 198 | 54 | 396 | 90 | 594 | 126
| | | 2997 | 108 | 135 | 5994 | 189
| | | | 39996 | 180 | 3564 | 252
| | | | | 499995 | 270 | 315
| | | | | | 5999994
| | | | | |
|
|