A219816 as a triangular array
| | | | | | | | | | | 3 |
| | | | | | | | | | | 3 | | 3 |
| | | | | | | | | | 6 | | 6 | | 6 |
| | | | | | | | | 10 | | 15 | | 16 | | 10 |
| | | | | | | | 15 | | 28 | | 62 | | 33 | | 15 |
| | | | | | | 21 | | 45 | | 165 | | 169 | | 61 | | 21 |
| | | | | | 28 | | 66 | | 377 | | 648 | | 414 | | 106 | | 28 |
| | | | | 36 | | 91 | | 795 | | 2179 | | 2237 | | 987 | | 176 | | 36 |
| | | | 45 | | 120 | | 1588 | | 7049 | | 11395 | | 7689 | | 2359 | | 281 | | 45 |
| | | 55 | | 153 | | 3039 | | 22017 | | 57848 | | 62341 | | 27340 | | 5569 | | 433 | | 55 |
| | 66 | | 190 |
|
A219816 as a square array
3 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| 3 | 6 | 15 | 28 | 45 | 66 | 91 | 120 | 153 | 190
| 6 | 16 | 62 | 165 | 377 | 795 | 1588 | 3039
| 10 | 33 | 169 | 648 | 2179 | 7049 | 22017
| 15 | 61 | 414 | 2237 | 11395 | 57848
| 21 | 106 | 987 | 7689 | 62341
| 28 | 176 | 2359 | 27340
| 36 | 281 | 5569
| 45 | 433
| 55
|
A219816 as an upper right triangle
3 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66
| | 3 | 6 | 15 | 28 | 45 | 66 | 91 | 120 | 153 | 190
| | | 6 | 16 | 62 | 165 | 377 | 795 | 1588 | 3039
| | | | 10 | 33 | 169 | 648 | 2179 | 7049 | 22017
| | | | | 15 | 61 | 414 | 2237 | 11395 | 57848
| | | | | | 21 | 106 | 987 | 7689 | 62341
| | | | | | | 28 | 176 | 2359 | 27340
| | | | | | | | 36 | 281 | 5569
| | | | | | | | | 45 | 433
| | | | | | | | | | 55
| | | | | | | | | |
|
|