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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 2 |
| 5 | 1 |
| 6 | 28 |
| 7 | 10 |
| 8 | 3 |
| 9 | 1 |
| 10 | 268 |
| 11 | 78 |
| 12 | 18 |
| 13 | 4 |
| 14 | 1 |
| 15 | 3164 |
| 16 | 798 |
| 17 | 156 |
| 18 | 28 |
| 19 | 5 |
| 20 | 1 |
| 21 | 43672 |
| 22 | 9874 |
| 23 | 1714 |
| 24 | 268 |
| 25 | 40 |
| 26 | 6 |
| 27 | 1 |
| 28 | 682632 |
| 29 | 141282 |
| 30 | 22368 |
| 31 | 3164 |
| 32 | 420 |
| 33 | 54 |
| 34 | 7 |
| 35 | 1 |
| 36 | 11834536 |
| 37 | 2273730 |
| 38 | 333910 |
| 39 | 43672 |
| 40 | 5320 |
| 41 | 618 |
| 42 | 70 |
| 43 | 8 |
| 44 | 1 |
| 45 | 224283416 |
| 46 | 40400466 |
| 47 | 5566728 |
| 48 | 682632 |
| 49 | 77720 |
[1,1,1,4,2,1,28,10,3,1,268,78,18,4,1,3164,798,156, 28,5,1,43672,9874,1714,268,40,6,1,682632,141282, 22368,3164,420,54,7,1,11834536,2273730,333910, 43672,5320,618,70,8,1,224283416,40400466,5566728, 682632,77720] |