A193891 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | 2 | | 5 | | 8 |
| | | | | | | | | 3 | | 8 | | 14 | | 20 |
| | | | | | | | 4 | | 11 | | 20 | | 30 | | 40 |
| | | | | | | 5 | | 14 | | 26 | | 40 | | 55 | | 70 |
| | | | | | 6 | | 17 | | 32 | | 50 | | 70 | | 91 | | 112 |
| | | | | 7 | | 20 | | 38 | | 60 | | 85 | | 112 | | 140 | | 168 |
| | | | 8 | | 23 | | 44 | | 70 | | 100 | | 133 | | 168 | | 204 | | 240 |
| | | 9 | | 26 | | 50 | | 80 | | 115 | | 154 | | 196 | | 240 | | 285 | | 330 |
| | 10 | | 29 | | 56 | | 90 | | 130 | | 175 | | 224 | | 276 | | 330 |
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A193891 as a square array
1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| 2 | 5 | 8 | 11 | 14 | 17 | 20 | 23 | 26 | 29
| 8 | 14 | 20 | 26 | 32 | 38 | 44 | 50 | 56
| 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90
| 40 | 55 | 70 | 85 | 100 | 115 | 130
| 70 | 91 | 112 | 133 | 154 | 175
| 112 | 140 | 168 | 196 | 224
| 168 | 204 | 240 | 276
| 240 | 285 | 330
| 330
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A193891 as an upper right triangle
1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 2 | 5 | 8 | 11 | 14 | 17 | 20 | 23 | 26 | 29
| | | 8 | 14 | 20 | 26 | 32 | 38 | 44 | 50 | 56
| | | | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90
| | | | | 40 | 55 | 70 | 85 | 100 | 115 | 130
| | | | | | 70 | 91 | 112 | 133 | 154 | 175
| | | | | | | 112 | 140 | 168 | 196 | 224
| | | | | | | | 168 | 204 | 240 | 276
| | | | | | | | | 240 | 285 | 330
| | | | | | | | | | 330
| | | | | | | | | |
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