A133913 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | | 1 | | 4 | | 4 | | 2 |
| | | | | | | | | 1 | | 5 | | 8 | | 6 | | 3 |
| | | | | | | | 1 | | 6 | | 13 | | 14 | | 9 | | 1 |
| | | | | | | 1 | | 7 | | 19 | | 27 | | 23 | | 10 | | 2 |
| | | | | | 1 | | 8 | | 26 | | 46 | | 50 | | 33 | | 12 | | 1 |
| | | | | 1 | | 9 | | 34 | | 72 | | 96 | | 83 | | 45 | | 13 | | 2 |
| | | | 1 | | 10 | | 43 | | 106 | | 168 | | 179 | | 128 | | 58 | | 15 | | 3 |
| | | 1 | | 11 | | 53 | | 149 | | 274 | | 347 | | 307 | | 186 | | 73 | | 18 | | 1 |
| | 1 | | 12 | | 64 | | 202 | | 423 | | 621 | | 654 | | 493 | | 259 | | 91 |
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A133913 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
| 1 | 4 | 8 | 13 | 19 | 26 | 34 | 43 | 53 | 64
| 2 | 6 | 14 | 27 | 46 | 72 | 106 | 149 | 202
| 3 | 9 | 23 | 50 | 96 | 168 | 274 | 423
| 1 | 10 | 33 | 83 | 179 | 347 | 621
| 2 | 12 | 45 | 128 | 307 | 654
| 1 | 13 | 58 | 186 | 493
| 2 | 15 | 73 | 259
| 3 | 18 | 91
| 1
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A133913 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
| | | 1 | 4 | 8 | 13 | 19 | 26 | 34 | 43 | 53 | 64
| | | | 2 | 6 | 14 | 27 | 46 | 72 | 106 | 149 | 202
| | | | | 3 | 9 | 23 | 50 | 96 | 168 | 274 | 423
| | | | | | 1 | 10 | 33 | 83 | 179 | 347 | 621
| | | | | | | 2 | 12 | 45 | 128 | 307 | 654
| | | | | | | | 1 | 13 | 58 | 186 | 493
| | | | | | | | | 2 | 15 | 73 | 259
| | | | | | | | | | 3 | 18 | 91
| | | | | | | | | | | 1
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