A210530 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 2 | | 3 |
| | | | | | | | | | | 1 | | 2 | | 3 |
| | | | | | | | | | 4 | | 5 | | 6 | | 7 |
| | | | | | | | | 1 | | 2 | | 3 | | 4 | | 5 |
| | | | | | | | 6 | | 7 | | 8 | | 9 | | 10 | | 11 |
| | | | | | | 1 | | 2 | | 3 | | 4 | | 5 | | 6 | | 7 |
| | | | | | 8 | | 9 | | 10 | | 11 | | 12 | | 13 | | 14 | | 15 |
| | | | | 1 | | 2 | | 3 | | 4 | | 5 | | 6 | | 7 | | 8 | | 9 |
| | | | 10 | | 11 | | 12 | | 13 | | 14 | | 15 | | 16 | | 17 | | 18 | | 19 |
| | | 1 | | 2 | | 3 | | 4 | | 5 | | 6 | | 7 | | 8 | | 9 | | 10 | | 11 |
| | 12 | | 13 | | 14 | | 15 | | 16 | | 17 | | 18 | | 19 | | 20 | | 21 | | 22 |
|
A210530 as a square array
1 | 2 | 1 | 4 | 1 | 6 | 1 | 8 | 1 | 10 | 1 | 12
| 3 | 2 | 5 | 2 | 7 | 2 | 9 | 2 | 11 | 2 | 13
| 3 | 6 | 3 | 8 | 3 | 10 | 3 | 12 | 3 | 14
| 7 | 4 | 9 | 4 | 11 | 4 | 13 | 4 | 15
| 5 | 10 | 5 | 12 | 5 | 14 | 5 | 16
| 11 | 6 | 13 | 6 | 15 | 6 | 17
| 7 | 14 | 7 | 16 | 7 | 18
| 15 | 8 | 17 | 8 | 19
| 9 | 18 | 9 | 20
| 19 | 10 | 21
| 11 | 22
|
A210530 as an upper right triangle
1 | 2 | 1 | 4 | 1 | 6 | 1 | 8 | 1 | 10 | 1 | 12
| | 3 | 2 | 5 | 2 | 7 | 2 | 9 | 2 | 11 | 2 | 13
| | | 3 | 6 | 3 | 8 | 3 | 10 | 3 | 12 | 3 | 14
| | | | 7 | 4 | 9 | 4 | 11 | 4 | 13 | 4 | 15
| | | | | 5 | 10 | 5 | 12 | 5 | 14 | 5 | 16
| | | | | | 11 | 6 | 13 | 6 | 15 | 6 | 17
| | | | | | | 7 | 14 | 7 | 16 | 7 | 18
| | | | | | | | 15 | 8 | 17 | 8 | 19
| | | | | | | | | 9 | 18 | 9 | 20
| | | | | | | | | | 19 | 10 | 21
| | | | | | | | | | | 11 | 22
| | | | | | | | | | |
|
|