A249250 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 3 |
| | | | | | | | | | 1 | | 6 | | 3 |
| | | | | | | | | 1 | | 9 | | 15 | | 3 |
| | | | | | | | 1 | | 12 | | 36 | | 24 | | 3 |
| | | | | | | 1 | | 15 | | 66 | | 90 | | 33 | | 3 |
| | | | | | 1 | | 18 | | 105 | | 228 | | 171 | | 42 | | 3 |
| | | | | 1 | | 21 | | 153 | | 465 | | 579 | | 279 | | 51 | | 3 |
| | | | 1 | | 24 | | 210 | | 828 | | 1500 | | 1200 | | 414 | | 60 | | 3 |
| | | 1 | | 27 | | 276 | | 1344 | | 3258 | | 3858 | | 2172 | | 576 | | 69 | | 3 |
| | 1 | | 30 | | 351 | | 2040 | | 6258 | | 10116 | | 8430 |
|
A249250 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30
| | 3 | 15 | 36 | 66 | 105 | 153 | 210 | 276 | 351
| | 3 | 24 | 90 | 228 | 465 | 828 | 1344 | 2040
| | 3 | 33 | 171 | 579 | 1500 | 3258 | 6258
| | 3 | 42 | 279 | 1200 | 3858 | 10116
| | 3 | 51 | 414 | 2172 | 8430
| | 3 | 60 | 576
| | 3 | 69
| | 3
|
A249250 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30
| | | 3 | 15 | 36 | 66 | 105 | 153 | 210 | 276 | 351
| | | | 3 | 24 | 90 | 228 | 465 | 828 | 1344 | 2040
| | | | | 3 | 33 | 171 | 579 | 1500 | 3258 | 6258
| | | | | | 3 | 42 | 279 | 1200 | 3858 | 10116
| | | | | | | 3 | 51 | 414 | 2172 | 8430
| | | | | | | | 3 | 60 | 576
| | | | | | | | | 3 | 69
| | | | | | | | | | 3
| | | | | | | | | |
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