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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 16 |
| 4 | 8 |
| 5 | 5 |
| 6 | 272 |
| 7 | 136 |
| 8 | 94 |
| 9 | 61 |
| 10 | 7936 |
| 11 | 3968 |
| 12 | 2840 |
| 13 | 2108 |
| 14 | 1385 |
| 15 | 353792 |
| 16 | 176896 |
| 17 | 128704 |
| 18 | 100096 |
| 19 | 76474 |
| 20 | 50521 |
| 21 | 22368256 |
| 22 | 11184128 |
| 23 | 8211200 |
| 24 | 6531968 |
| 25 | 5261120 |
| 26 | 4079408 |
| 27 | 2702765 |
| 28 | 1903757312 |
| 29 | 951878656 |
| 30 | 702724864 |
| 31 | 566256256 |
| 32 | 468079984 |
| 33 | 384082456 |
| 34 | 300392854 |
| 35 | 199360981 |
| 36 | 209865342976 |
| 37 | 104932671488 |
| 38 | 77747624960 |
| 39 | 63158486528 |
| 40 | 52998922880 |
| 41 | 44727839168 |
| 42 | 37114459400 |
| 43 | 29186948708 |
| 44 | 19391512145 |
| 45 | 29088885112832 |
| 46 | 14544442556416 |
| 47 | 10803399245824 |
| 48 | 8824137404416 |
| 49 | 7476185292544 |
| 50 | 6414037062016 |
| 51 | 5482201711264 |
| 52 | 4582440724816 |
| 53 | 3617015269234 |
| 54 | 2404879675441 |
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