A046899 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 2 | | | | | | | | |
| | | | | | | 1 | | 3 | | 6 | | | | | | | |
| | | | | | 1 | | 4 | | 10 | | 20 | | | | | | |
| | | | | 1 | | 5 | | 15 | | 35 | | 70 | | | | | |
| | | | 1 | | 6 | | 21 | | 56 | | 126 | | 252 | | | | |
| | | 1 | | 7 | | 28 | | 84 | | 210 | | 462 | | 924 | | | |
| | 1 | | 8 | | 36 | | 120 | | 330 | | 792 | | 1716 | | 3432 | | |
| 1 | | 9 | | 45 | | 165 | | 495 | | 1287 | | 3003 | | 6435 | | 12870 | |
| 1 | | 10 | | 55 | | 220 | | 715 | | 2002 | | 5005 | | 11440 | | 24310 | | 48620 |
A046899 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | | |
| 20 | 35 | 56 | 84 | 120 | 165 | 220 | | | |
| 70 | 126 | 210 | 330 | 495 | 715 | | | | |
| 252 | 462 | 792 | 1287 | 2002 | | | | | |
| 924 | 1716 | 3003 | 5005 | | | | | | |
| 3432 | 6435 | 11440 | | | | | | | |
| 12870 | 24310 | | | | | | | | |
| 48620 | | | | | | | | | |
A046899 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 |
| | | 20 | 35 | 56 | 84 | 120 | 165 | 220 |
| | | | 70 | 126 | 210 | 330 | 495 | 715 |
| | | | | 252 | 462 | 792 | 1287 | 2002 |
| | | | | | 924 | 1716 | 3003 | 5005 |
| | | | | | | 3432 | 6435 | 11440 |
| | | | | | | | 12870 | 24310 |
| | | | | | | | | 48620 |
|