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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 2 |
| 5 | 20 |
| 6 | 2 |
| 7 | 112 |
| 8 | 8 |
| 9 | 96 |
| 10 | 4 |
| 11 | 2816 |
| 12 | 16 |
| 13 | 16640 |
| 14 | 8 |
| 15 | 448 |
| 16 | 256 |
| 17 | 487424 |
| 18 | 8 |
| 19 | 2723840 |
| 20 | 512 |
| 21 | 11264 |
| 22 | 32 |
| 23 | 85917696 |
| 24 | 512 |
| 25 | 13107200 |
| 26 | 80 |
| 27 | 2236416 |
| 28 | 13568 |
| 29 | 15386804224 |
| 30 | 16 |
| 31 | 84515225600 |
| 32 | 212992 |
| 33 | 10911744 |
| 34 | 448 |
| 35 | 343670784 |
| 36 | 13824 |
| 37 | 15625695002624 |
| 38 | 1024 |
[1,1,4,2,20,2,112,8,96,4,2816,16,16640,8,448,256, 487424,8,2723840,512,11264,32,85917696,512, 13107200,80,2236416,13568,15386804224,16, 84515225600,212992,10911744,448,343670784,13824, 15625695002624,1024] |