A213742 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 3 |
| | | | | | | | | 1 | | 3 | | 6 | | 10 |
| | | | | | | | 1 | | 4 | | 10 | | 20 | | 31 |
| | | | | | | 1 | | 5 | | 15 | | 35 | | 65 | | 101 |
| | | | | | 1 | | 6 | | 21 | | 56 | | 120 | | 216 | | 336 |
| | | | | 1 | | 7 | | 28 | | 84 | | 203 | | 413 | | 728 | | 1128 |
| | | | 1 | | 8 | | 36 | | 120 | | 322 | | 728 | | 1428 | | 2472 | | 3823 |
| | | 1 | | 9 | | 45 | | 165 | | 486 | | 1206 | | 2598 | | 4950 | | 8451 | | 13051 |
| | 1 | | 10 |
|
A213742 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | 10 | 20 | 35 | 56 | 84 | 120 | 165
| | 31 | 65 | 120 | 203 | 322 | 486
| | 101 | 216 | 413 | 728 | 1206
| | 336 | 728 | 1428 | 2598
| | 1128 | 2472 | 4950
| | 3823 | 8451
| | 13051
|
A213742 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | | | 10 | 20 | 35 | 56 | 84 | 120 | 165
| | | | | 31 | 65 | 120 | 203 | 322 | 486
| | | | | | 101 | 216 | 413 | 728 | 1206
| | | | | | | 336 | 728 | 1428 | 2598
| | | | | | | | 1128 | 2472 | 4950
| | | | | | | | | 3823 | 8451
| | | | | | | | | | 13051
| | | | | | | | | |
|
|
