A027144 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | 1 | | 4 | | 2 |
| | | | | | | | | 1 | | 6 | | 6 | | 8 |
| | | | | | | | 1 | | 8 | | 12 | | 16 | | 8 |
| | | | | | | 1 | | 10 | | 20 | | 48 | | 24 | | 32 |
| | | | | | 1 | | 12 | | 30 | | 80 | | 72 | | 64 | | 32 |
| | | | | 1 | | 14 | | 42 | | 152 | | 152 | | 288 | | 96 | | 128 |
| | | | 1 | | 16 | | 56 | | 224 | | 304 | | 512 | | 384 | | 256 | | 128 |
| | | 1 | | 18 | | 72 | | 352 | | 528 | | 1344 | | 896 | | 1536 | | 384 | | 512 |
| | 1 | | 20 | | 90 | | 480 | | 880 |
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A027144 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20
| 2 | 6 | 12 | 20 | 30 | 42 | 56 | 72 | 90
| 8 | 16 | 48 | 80 | 152 | 224 | 352 | 480
| 8 | 24 | 72 | 152 | 304 | 528 | 880
| 32 | 64 | 288 | 512 | 1344
| 32 | 96 | 384 | 896
| 128 | 256 | 1536
| 128 | 384
| 512
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A027144 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20
| | | 2 | 6 | 12 | 20 | 30 | 42 | 56 | 72 | 90
| | | | 8 | 16 | 48 | 80 | 152 | 224 | 352 | 480
| | | | | 8 | 24 | 72 | 152 | 304 | 528 | 880
| | | | | | 32 | 64 | 288 | 512 | 1344
| | | | | | | 32 | 96 | 384 | 896
| | | | | | | | 128 | 256 | 1536
| | | | | | | | | 128 | 384
| | | | | | | | | | 512
| | | | | | | | | |
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