A013609 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | 1 | | 4 | | 4 |
| | | | | | | | | 1 | | 6 | | 12 | | 8 |
| | | | | | | | 1 | | 8 | | 24 | | 32 | | 16 |
| | | | | | | 1 | | 10 | | 40 | | 80 | | 80 | | 32 |
| | | | | | 1 | | 12 | | 60 | | 160 | | 240 | | 192 | | 64 |
| | | | | 1 | | 14 | | 84 | | 280 | | 560 | | 672 | | 448 | | 128 |
| | | | 1 | | 16 | | 112 | | 448 | | 1120 | | 1792 | | 1792 | | 1024 | | 256 |
| | | 1 | | 18 | | 144 | | 672 | | 2016 | | 4032 | | 5376 | | 4608 | | 2304 | | 512 |
| | 1 | | 20 | | 180 | | 960 | | 3360 | | 8064 | | 13440 | | 15360 | | 11520 | | 5120 | | 1024 |
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A013609 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
| 4 | 12 | 24 | 40 | 60 | 84 | 112 | 144 | 180
| 8 | 32 | 80 | 160 | 280 | 448 | 672 | 960
| 16 | 80 | 240 | 560 | 1120 | 2016 | 3360
| 32 | 192 | 672 | 1792 | 4032 | 8064
| 64 | 448 | 1792 | 5376 | 13440
| 128 | 1024 | 4608 | 15360
| 256 | 2304 | 11520
| 512 | 5120
| 1024
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A013609 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
| | | 4 | 12 | 24 | 40 | 60 | 84 | 112 | 144 | 180
| | | | 8 | 32 | 80 | 160 | 280 | 448 | 672 | 960
| | | | | 16 | 80 | 240 | 560 | 1120 | 2016 | 3360
| | | | | | 32 | 192 | 672 | 1792 | 4032 | 8064
| | | | | | | 64 | 448 | 1792 | 5376 | 13440
| | | | | | | | 128 | 1024 | 4608 | 15360
| | | | | | | | | 256 | 2304 | 11520
| | | | | | | | | | 512 | 5120
| | | | | | | | | | | 1024
|
|