A231829 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 3 | | 3 |
| | | | | | | | 6 | | 13 | | 6 |
| | | | | | | 10 | | 40 | | 40 | | 10 |
| | | | | | 15 | | 108 | | 213 | | 108 | | 15 |
| | | | | 21 | | 275 | | 1049 | | 1049 | | 275 | | 21 |
| | | | 28 | | 681 | | 5034 | | 9349 | | 5034 | | 681 | | 28 |
| | | 36 | | 1664 | | 23984 | | 80626 | | 80626 | | 23984 | | 1664 | | 36 |
| | 45 | | 4040 | | 114069 | | 692194 | | 1222363 | | 692194 | | 114069 | | 4040 | | 45 |
|
A231829 as a square array
1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| 3 | 13 | 40 | 108 | 275 | 681 | 1664 | 4040
| 6 | 40 | 213 | 1049 | 5034 | 23984 | 114069
| 10 | 108 | 1049 | 9349 | 80626 | 692194
| 15 | 275 | 5034 | 80626 | 1222363
| 21 | 681 | 23984 | 692194
| 28 | 1664 | 114069
| 36 | 4040
| 45
|
A231829 as an upper right triangle
1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | 3 | 13 | 40 | 108 | 275 | 681 | 1664 | 4040
| | | 6 | 40 | 213 | 1049 | 5034 | 23984 | 114069
| | | | 10 | 108 | 1049 | 9349 | 80626 | 692194
| | | | | 15 | 275 | 5034 | 80626 | 1222363
| | | | | | 21 | 681 | 23984 | 692194
| | | | | | | 28 | 1664 | 114069
| | | | | | | | 36 | 4040
| | | | | | | | | 45
|
|