A053207 as a triangular array
| | | | | | | | | | | 0 |
| | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | 3 | | 3 | | 4 |
| | | | | | | | | 5 | | 6 | | 7 | | 6 |
| | | | | | | | 7 | | 11 | | 13 | | 13 | | 8 |
| | | | | | | 9 | | 18 | | 24 | | 26 | | 21 | | 10 |
| | | | | | 11 | | 27 | | 42 | | 50 | | 47 | | 31 | | 12 |
| | | | | 13 | | 38 | | 69 | | 92 | | 97 | | 78 | | 43 | | 14 |
| | | | 15 | | 51 | | 107 | | 161 | | 189 | | 175 | | 121 | | 57 | | 16 |
| | | 17 | | 66 | | 158 | | 268 | | 350 | | 364 | | 296 | | 178 | | 73 | | 18 |
| | 19 | | 83 | | 224 | | 426 | | 618 | | 714 | | 660 | | 474 | | 251 | | 91 | | 20 |
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A053207 as a square array
0 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19
| 2 | 3 | 6 | 11 | 18 | 27 | 38 | 51 | 66 | 83
| 4 | 7 | 13 | 24 | 42 | 69 | 107 | 158 | 224
| 6 | 13 | 26 | 50 | 92 | 161 | 268 | 426
| 8 | 21 | 47 | 97 | 189 | 350 | 618
| 10 | 31 | 78 | 175 | 364 | 714
| 12 | 43 | 121 | 296 | 660
| 14 | 57 | 178 | 474
| 16 | 73 | 251
| 18 | 91
| 20
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A053207 as an upper right triangle
0 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19
| | 2 | 3 | 6 | 11 | 18 | 27 | 38 | 51 | 66 | 83
| | | 4 | 7 | 13 | 24 | 42 | 69 | 107 | 158 | 224
| | | | 6 | 13 | 26 | 50 | 92 | 161 | 268 | 426
| | | | | 8 | 21 | 47 | 97 | 189 | 350 | 618
| | | | | | 10 | 31 | 78 | 175 | 364 | 714
| | | | | | | 12 | 43 | 121 | 296 | 660
| | | | | | | | 14 | 57 | 178 | 474
| | | | | | | | | 16 | 73 | 251
| | | | | | | | | | 18 | 91
| | | | | | | | | | | 20
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