A247506 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | | 1 | | 1 | | 0 |
| | | | | | | | | | 1 | | 1 | | 1 | | 0 |
| | | | | | | | | 1 | | 1 | | 2 | | 1 | | 0 |
| | | | | | | | 1 | | 1 | | 2 | | 3 | | 1 | | 0 |
| | | | | | | 1 | | 1 | | 2 | | 4 | | 5 | | 1 | | 0 |
| | | | | | 1 | | 1 | | 2 | | 4 | | 7 | | 8 | | 1 | | 0 |
| | | | | 1 | | 1 | | 2 | | 4 | | 8 | | 13 | | 13 | | 1 | | 0 |
| | | | 1 | | 1 | | 2 | | 4 | | 8 | | 15 | | 24 | | 21 | | 1 | | 0 |
| | | 1 | | 1 | | 2 | | 4 | | 8 | | 16 | | 29 | | 44 | | 34 | | 1 | | 0 |
| | 1 | | 1 | | 2 | | 4 | | 8 | | 16 | | 31 | | 56 | | 81 | | 55 | | 1 | | 0 |
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A247506 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| 0 | 1 | 3 | 4 | 4 | 4 | 4 | 4 | 4
| 0 | 1 | 5 | 7 | 8 | 8 | 8 | 8
| 0 | 1 | 8 | 13 | 15 | 16 | 16
| 0 | 1 | 13 | 24 | 29 | 31
| 0 | 1 | 21 | 44 | 56
| 0 | 1 | 34 | 81
| 0 | 1 | 55
| 0 | 1
| 0
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A247506 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| | | | 0 | 1 | 3 | 4 | 4 | 4 | 4 | 4 | 4
| | | | | 0 | 1 | 5 | 7 | 8 | 8 | 8 | 8
| | | | | | 0 | 1 | 8 | 13 | 15 | 16 | 16
| | | | | | | 0 | 1 | 13 | 24 | 29 | 31
| | | | | | | | 0 | 1 | 21 | 44 | 56
| | | | | | | | | 0 | 1 | 34 | 81
| | | | | | | | | | 0 | 1 | 55
| | | | | | | | | | | 0 | 1
| | | | | | | | | | | | 0
|
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