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| n | a(n) |
|---|---|
| 1 | 36 |
| 2 | 212 |
| 3 | 212 |
| 4 | 1568 |
| 5 | 3138 |
| 6 | 1568 |
| 7 | 11878 |
| 8 | 63632 |
| 9 | 63632 |
| 10 | 11878 |
| 11 | 87680 |
| 12 | 1323984 |
| 13 | 3684840 |
| 14 | 1323984 |
| 15 | 87680 |
| 16 | 651678 |
| 17 | 26350948 |
| 18 | 223396744 |
| 19 | 223396744 |
| 20 | 26350948 |
| 21 | 651678 |
| 22 | 4846056 |
| 23 | 532378308 |
| 24 | 12890094328 |
| 25 | 39425246602 |
| 26 | 12890094328 |
| 27 | 532378308 |
| 28 | 4846056 |
[36,212,212,1568,3138,1568,11878,63632,63632, 11878,87680,1323984,3684840,1323984,87680,651678, 26350948,223396744,223396744,26350948,651678, 4846056,532378308,12890094328,39425246602, 12890094328,532378308,4846056] |