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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 12 |
| 4 | 4 |
| 5 | 24 |
| 6 | 40 |
| 7 | 176 |
| 8 | 144 |
| 9 | 736 |
| 10 | 928 |
| 11 | 2496 |
| 12 | 3648 |
| 13 | 11648 |
| 14 | 9856 |
| 15 | 45824 |
| 16 | 39168 |
| 17 | 183808 |
| 18 | 162304 |
| 19 | 728064 |
| 20 | 648192 |
| 21 | 2938880 |
| 22 | 2516992 |
| 23 | 11759616 |
| 24 | 10063872 |
| 25 | 47013888 |
| 26 | 40345600 |
| 27 | 187809792 |
| 28 | 167395328 |
| 29 | 740130816 |
| 30 | 667320320 |
| 31 | 2960326656 |
| 32 | 2641952768 |
| 33 | 11996626944 |
[1,2,2,12,4,24,40,176,144,736,928,2496,3648,11648, 9856,45824,39168,183808,162304,728064,648192, 2938880,2516992,11759616,10063872,47013888, 40345600,187809792,167395328,740130816,667320320, 2960326656,2641952768,11996626944] |