A027011 as a triangular array
| | | | | | | | | | | | 3 |
| | | | | | | | | | | | 3 | | 4 |
| | | | | | | | | | | 3 | | 7 | | 5 |
| | | | | | | | | | 3 | | 7 | | 15 | | 6 |
| | | | | | | | | 3 | | 7 | | 18 | | 28 | | 7 |
| | | | | | | | 3 | | 7 | | 18 | | 44 | | 47 | | 8 |
| | | | | | | 3 | | 7 | | 18 | | 47 | | 98 | | 73 | | 9 |
| | | | | | 3 | | 7 | | 18 | | 47 | | 120 | | 199 | | 107 | | 10 |
| | | | | 3 | | 7 | | 18 | | 47 | | 123 | | 291 | | 373 | | 150 | | 11 |
| | | | 3 | | 7 | | 18 | | 47 | | 123 | | 319 | | 661 | | 654 | | 203 | | 12 |
| | | 3 | | 7 | | 18 | | 47 | | 123 | | 322 | | 806 | | 1404 | | 1085 | | 267 | | 13 |
| | 3 | | 7 | | 18 | | 47 |
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A027011 as a square array
3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| 4 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7
| 5 | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18
| 6 | 28 | 44 | 47 | 47 | 47 | 47 | 47 | 47
| 7 | 47 | 98 | 120 | 123 | 123 | 123
| 8 | 73 | 199 | 291 | 319 | 322
| 9 | 107 | 373 | 661 | 806
| 10 | 150 | 654 | 1404
| 11 | 203 | 1085
| 12 | 267
| 13
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A027011 as an upper right triangle
3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 4 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7
| | | 5 | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18
| | | | 6 | 28 | 44 | 47 | 47 | 47 | 47 | 47 | 47
| | | | | 7 | 47 | 98 | 120 | 123 | 123 | 123
| | | | | | 8 | 73 | 199 | 291 | 319 | 322
| | | | | | | 9 | 107 | 373 | 661 | 806
| | | | | | | | 10 | 150 | 654 | 1404
| | | | | | | | | 11 | 203 | 1085
| | | | | | | | | | 12 | 267
| | | | | | | | | | | 13
| | | | | | | | | | |
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