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A060540 as a triangular array
| 1 | ||||||||||||||||||
| 1 | 1 | |||||||||||||||||
| 1 | 3 | 1 | ||||||||||||||||
| 1 | 10 | 15 | 1 | |||||||||||||||
| 1 | 35 | 280 | 105 | 1 | ||||||||||||||
| 1 | 126 | 5775 | 15400 | 945 | 1 | |||||||||||||
| 1 | 462 | 126126 | 2627625 | 1401400 | 10395 | 1 | ||||||||||||
| 1 | 1716 | 2858856 | 488864376 | 2546168625 | 190590400 | 135135 | 1 | |||||||||||
| 1 | 6435 | 66512160 | 96197645544 | 5194672859376 | 4509264634875 | 36212176000 | 2027025 | 1 |
A060540 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 3 | 10 | 35 | 126 | 462 | 1716 | 6435 | |
| 1 | 15 | 280 | 5775 | 126126 | 2858856 | 66512160 | ||
| 1 | 105 | 15400 | 2627625 | 488864376 | 96197645544 | |||
| 1 | 945 | 1401400 | 2546168625 | 5194672859376 | ||||
| 1 | 10395 | 190590400 | 4509264634875 | |||||
| 1 | 135135 | 36212176000 | ||||||
| 1 | 2027025 | |||||||
| 1 |
A060540 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 3 | 10 | 35 | 126 | 462 | 1716 | 6435 | |
| 1 | 15 | 280 | 5775 | 126126 | 2858856 | 66512160 | ||
| 1 | 105 | 15400 | 2627625 | 488864376 | 96197645544 | |||
| 1 | 945 | 1401400 | 2546168625 | 5194672859376 | ||||
| 1 | 10395 | 190590400 | 4509264634875 | |||||
| 1 | 135135 | 36212176000 | ||||||
| 1 | 2027025 | |||||||
| 1 |