A213197 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 3 | | 4 |
| | | | | | | | | | | 2 | | 6 | | 5 |
| | | | | | | | | | 8 | | 9 | | 11 | | 12 |
| | | | | | | | | 7 | | 15 | | 10 | | 14 | | 13 |
| | | | | | | | 17 | | 18 | | 20 | | 21 | | 23 | | 24 |
| | | | | | | 16 | | 28 | | 19 | | 27 | | 22 | | 26 | | 25 |
| | | | | | 30 | | 31 | | 33 | | 34 | | 36 | | 37 | | 39 | | 40 |
| | | | | 29 | | 45 | | 32 | | 44 | | 35 | | 43 | | 38 | | 42 | | 41 |
| | | | 47 | | 48 | | 50 | | 51 | | 53 | | 54 | | 56 | | 57 | | 59 | | 60 |
| | | 46 | | 66 | | 49 | | 65 | | 52 | | 64 | | 55 | | 63 | | 58 | | 62 | | 61 |
| | 68 |
|
A213197 as a square array
1 | 3 | 2 | 8 | 7 | 17 | 16 | 30 | 29 | 47 | 46 | 68
| 4 | 6 | 9 | 15 | 18 | 28 | 31 | 45 | 48 | 66
| 5 | 11 | 10 | 20 | 19 | 33 | 32 | 50 | 49
| 12 | 14 | 21 | 27 | 34 | 44 | 51 | 65
| 13 | 23 | 22 | 36 | 35 | 53 | 52
| 24 | 26 | 37 | 43 | 54 | 64
| 25 | 39 | 38 | 56 | 55
| 40 | 42 | 57 | 63
| 41 | 59 | 58
| 60 | 62
| 61
|
A213197 as an upper right triangle
1 | 3 | 2 | 8 | 7 | 17 | 16 | 30 | 29 | 47 | 46 | 68
| | 4 | 6 | 9 | 15 | 18 | 28 | 31 | 45 | 48 | 66
| | | 5 | 11 | 10 | 20 | 19 | 33 | 32 | 50 | 49
| | | | 12 | 14 | 21 | 27 | 34 | 44 | 51 | 65
| | | | | 13 | 23 | 22 | 36 | 35 | 53 | 52
| | | | | | 24 | 26 | 37 | 43 | 54 | 64
| | | | | | | 25 | 39 | 38 | 56 | 55
| | | | | | | | 40 | 42 | 57 | 63
| | | | | | | | | 41 | 59 | 58
| | | | | | | | | | 60 | 62
| | | | | | | | | | | 61
| | | | | | | | | | |
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