A081954 as a triangular array
| | | | | | | | | | 2 |
| | | | | | | | | | 4 | | 6 |
| | | | | | | | | 8 | | 12 | | 18 |
| | | | | | | | 16 | | 24 | | 36 | | 54 |
| | | | | | | 32 | | 48 | | 72 | | 108 | | 162 |
| | | | | | 64 | | 96 | | 144 | | 216 | | 324 | | 486 |
| | | | | 128 | | 192 | | 288 | | 432 | | 648 | | 972 | | 1458 |
| | | | 256 | | 384 | | 576 | | 864 | | 1296 | | 1944 | | 2916 | | 4374 |
| | | 512 | | 768 | | 1152 | | 1728 | | 2592 | | 3888 | | 5832 | | 8748 | | 13122 |
| | 1024 | | 1536 | | 2304 | | 3456 | | 5184 | | 7776 |
|
A081954 as a square array
2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024
| 6 | 12 | 24 | 48 | 96 | 192 | 384 | 768 | 1536
| 18 | 36 | 72 | 144 | 288 | 576 | 1152 | 2304
| 54 | 108 | 216 | 432 | 864 | 1728 | 3456
| 162 | 324 | 648 | 1296 | 2592 | 5184
| 486 | 972 | 1944 | 3888 | 7776
| 1458 | 2916 | 5832
| 4374 | 8748
| 13122
|
A081954 as an upper right triangle
2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024
| | 6 | 12 | 24 | 48 | 96 | 192 | 384 | 768 | 1536
| | | 18 | 36 | 72 | 144 | 288 | 576 | 1152 | 2304
| | | | 54 | 108 | 216 | 432 | 864 | 1728 | 3456
| | | | | 162 | 324 | 648 | 1296 | 2592 | 5184
| | | | | | 486 | 972 | 1944 | 3888 | 7776
| | | | | | | 1458 | 2916 | 5832
| | | | | | | | 4374 | 8748
| | | | | | | | | 13122
| | | | | | | | |
|
|