A141618 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 2 |
| | | | | | | | | 1 | | 9 | | 6 |
| | | | | | | | 1 | | 28 | | 72 | | 24 |
| | | | | | | 1 | | 75 | | 500 | | 600 | | 120 |
| | | | | | 1 | | 186 | | 2700 | | 7800 | | 5400 | | 720 |
| | | | | 1 | | 441 | | 12642 | | 73500 | | 117600 | | 52920 | | 5040 |
| | | | 1 | | 1016 | | 54096 | | 571536 | | 1764000 | | 1787520 | | 564480 | | 40320 |
| | | 1 | | 2295 | | 217800 | | 3916080 | | 21019824 | | 40007520 | | 27941760 | | 6531840 | | 362880 |
| | 1 | | 5110 | | 839700 | | 24555600 | | 214326000 |
|
A141618 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 9 | 28 | 75 | 186 | 441 | 1016 | 2295 | 5110
| 6 | 72 | 500 | 2700 | 12642 | 54096 | 217800 | 839700
| 24 | 600 | 7800 | 73500 | 571536 | 3916080 | 24555600
| 120 | 5400 | 117600 | 1764000 | 21019824 | 214326000
| 720 | 52920 | 1787520 | 40007520
| 5040 | 564480 | 27941760
| 40320 | 6531840
| 362880
|
A141618 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 9 | 28 | 75 | 186 | 441 | 1016 | 2295 | 5110
| | | 6 | 72 | 500 | 2700 | 12642 | 54096 | 217800 | 839700
| | | | 24 | 600 | 7800 | 73500 | 571536 | 3916080 | 24555600
| | | | | 120 | 5400 | 117600 | 1764000 | 21019824 | 214326000
| | | | | | 720 | 52920 | 1787520 | 40007520
| | | | | | | 5040 | 564480 | 27941760
| | | | | | | | 40320 | 6531840
| | | | | | | | | 362880
| | | | | | | | |
|
|