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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 1 |
| 5 | 6 |
| 6 | 16 |
| 7 | 1 |
| 8 | 8 |
| 9 | 22 |
| 10 | 92 |
| 11 | 1 |
| 12 | 12 |
| 13 | 34 |
| 14 | 188 |
| 15 | 716 |
| 16 | 1 |
| 17 | 14 |
| 18 | 40 |
| 19 | 248 |
| 20 | 976 |
| 21 | 4928 |
| 22 | 1 |
| 23 | 18 |
| 24 | 52 |
| 25 | 392 |
| 26 | 1616 |
| 27 | 9504 |
| 28 | 44864 |
| 29 | 1 |
| 30 | 20 |
| 31 | 58 |
| 32 | 476 |
| 33 | 1996 |
| 34 | 12560 |
| 35 | 61048 |
| 36 | 348176 |
| 37 | 1 |
| 38 | 24 |
| 39 | 70 |
| 40 | 668 |
| 41 | 2876 |
| 42 | 20448 |
| 43 | 104168 |
| 44 | 658192 |
| 45 | 3608080 |
| 46 | 1 |
| 47 | 30 |
| 48 | 88 |
| 49 | 1016 |
| 50 | 4496 |
| 51 | 37440 |
| 52 | 200768 |
[1,1,4,1,6,16,1,8,22,92,1,12,34,188,716,1,14,40, 248,976,4928,1,18,52,392,1616,9504,44864,1,20,58, 476,1996,12560,61048,348176,1,24,70,668,2876, 20448,104168,658192,3608080,1,30,88,1016,4496, 37440,200768] |