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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 15 |
| 4 | 9 |
| 5 | 3 |
| 6 | 91 |
| 7 | 78 |
| 8 | 48 |
| 9 | 16 |
| 10 | 612 |
| 11 | 680 |
| 12 | 600 |
| 13 | 375 |
| 14 | 125 |
| 15 | 4389 |
| 16 | 5985 |
| 17 | 6840 |
| 18 | 6156 |
| 19 | 3888 |
| 20 | 1296 |
| 21 | 32890 |
| 22 | 53130 |
| 23 | 74382 |
| 24 | 86779 |
| 25 | 79233 |
| 26 | 50421 |
| 27 | 16807 |
| 28 | 254475 |
| 29 | 475020 |
| 30 | 786240 |
| 31 | 1123200 |
| 32 | 1331200 |
| 33 | 1228800 |
| 34 | 786432 |
| 35 | 262144 |
| 36 | 2017356 |
| 37 | 4272048 |
| 38 | 8155728 |
| 39 | 13762791 |
| 40 | 19978245 |
| 41 | 23973894 |
| 42 | 22320522 |
| 43 | 14348907 |
| 44 | 4782969 |
[1,3,1,15,9,3,91,78,48,16,612,680,600,375,125, 4389,5985,6840,6156,3888,1296,32890,53130,74382, 86779,79233,50421,16807,254475,475020,786240, 1123200,1331200,1228800,786432,262144,2017356, 4272048,8155728,13762791,19978245,23973894, 22320522,14348907,4782969] |