A046899 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 |
| | 1 | | 11 | | 66 | | 286 | | 1001 |
|
A046899 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | 20 | 35 | 56 | 84 | 120 | 165 | 220 | 286
| | 70 | 126 | 210 | 330 | 495 | 715 | 1001
| | 252 | 462 | 792 | 1287 | 2002
| | 924 | 1716 | 3003 | 5005
| | 3432 | 6435 | 11440
| | 12870 | 24310
| | 48620
|
A046899 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | | | 20 | 35 | 56 | 84 | 120 | 165 | 220 | 286
| | | | | 70 | 126 | 210 | 330 | 495 | 715 | 1001
| | | | | | 252 | 462 | 792 | 1287 | 2002
| | | | | | | 924 | 1716 | 3003 | 5005
| | | | | | | | 3432 | 6435 | 11440
| | | | | | | | | 12870 | 24310
| | | | | | | | | | 48620
| | | | | | | | | |
|
|
