A091186 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 4 | | 3 | | 1 |
| | | | | | | | | 1 | | 7 | | 8 | | 4 | | 1 |
| | | | | | | | 1 | | 12 | | 18 | | 13 | | 5 | | 1 |
| | | | | | | 1 | | 20 | | 38 | | 35 | | 19 | | 6 | | 1 |
| | | | | | 1 | | 33 | | 76 | | 86 | | 59 | | 26 | | 7 | | 1 |
| | | | | 1 | | 54 | | 147 | | 197 | | 164 | | 91 | | 34 | | 8 | | 1 |
| | | | 1 | | 88 | | 277 | | 430 | | 420 | | 281 | | 132 | | 43 | | 9 | | 1 |
| | | 1 | | 143 | | 512 | | 904 | | 1014 | | 792 | | 447 | | 183 | | 53 | | 10 | | 1 |
| | 1 | | 232 | | 932 | | 1846 | | 2338 | | 2087 | | 1371 |
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A091186 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 4 | 7 | 12 | 20 | 33 | 54 | 88 | 143 | 232
| | 1 | 3 | 8 | 18 | 38 | 76 | 147 | 277 | 512 | 932
| | 1 | 4 | 13 | 35 | 86 | 197 | 430 | 904 | 1846
| | 1 | 5 | 19 | 59 | 164 | 420 | 1014 | 2338
| | 1 | 6 | 26 | 91 | 281 | 792 | 2087
| | 1 | 7 | 34 | 132 | 447 | 1371
| | 1 | 8 | 43 | 183
| | 1 | 9 | 53
| | 1 | 10
| | 1
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A091186 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 4 | 7 | 12 | 20 | 33 | 54 | 88 | 143 | 232
| | | 1 | 3 | 8 | 18 | 38 | 76 | 147 | 277 | 512 | 932
| | | | 1 | 4 | 13 | 35 | 86 | 197 | 430 | 904 | 1846
| | | | | 1 | 5 | 19 | 59 | 164 | 420 | 1014 | 2338
| | | | | | 1 | 6 | 26 | 91 | 281 | 792 | 2087
| | | | | | | 1 | 7 | 34 | 132 | 447 | 1371
| | | | | | | | 1 | 8 | 43 | 183
| | | | | | | | | 1 | 9 | 53
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
| | | | | | | | | | |
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