A131254 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 2 | | 1 |
| | | | | | | | | 4 | | 3 | | 1 |
| | | | | | | | 7 | | 6 | | 4 | | 1 |
| | | | | | | 12 | | 11 | | 9 | | 5 | | 1 |
| | | | | | 20 | | 19 | | 17 | | 13 | | 6 | | 1 |
| | | | | 33 | | 32 | | 30 | | 26 | | 18 | | 7 | | 1 |
| | | | 54 | | 53 | | 51 | | 47 | | 39 | | 24 | | 8 | | 1 |
| | | 88 | | 87 | | 85 | | 81 | | 73 | | 57 | | 31 | | 9 | | 1 |
| | 143 | | 142 | | 140 | | 136 | | 128 | | 112 | | 81 | | 39 | | 10 | | 1 |
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A131254 as a square array
1 | 2 | 4 | 7 | 12 | 20 | 33 | 54 | 88 | 143
| 1 | 3 | 6 | 11 | 19 | 32 | 53 | 87 | 142
| 1 | 4 | 9 | 17 | 30 | 51 | 85 | 140
| 1 | 5 | 13 | 26 | 47 | 81 | 136
| 1 | 6 | 18 | 39 | 73 | 128
| 1 | 7 | 24 | 57 | 112
| 1 | 8 | 31 | 81
| 1 | 9 | 39
| 1 | 10
| 1
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A131254 as an upper right triangle
1 | 2 | 4 | 7 | 12 | 20 | 33 | 54 | 88 | 143
| | 1 | 3 | 6 | 11 | 19 | 32 | 53 | 87 | 142
| | | 1 | 4 | 9 | 17 | 30 | 51 | 85 | 140
| | | | 1 | 5 | 13 | 26 | 47 | 81 | 136
| | | | | 1 | 6 | 18 | 39 | 73 | 128
| | | | | | 1 | 7 | 24 | 57 | 112
| | | | | | | 1 | 8 | 31 | 81
| | | | | | | | 1 | 9 | 39
| | | | | | | | | 1 | 10
| | | | | | | | | | 1
|
|