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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 51 |
| 3 | 51 |
| 4 | 762 |
| 5 | 2384 |
| 6 | 762 |
| 7 | 9405 |
| 8 | 82691 |
| 9 | 82691 |
| 10 | 9405 |
| 11 | 109194 |
| 12 | 2718363 |
| 13 | 7853122 |
| 14 | 2718363 |
| 15 | 109194 |
| 16 | 1239185 |
| 17 | 88297042 |
| 18 | 735082380 |
| 19 | 735082380 |
| 20 | 88297042 |
| 21 | 1239185 |
| 22 | 13937206 |
| 23 | 2860160370 |
| 24 | 68665065250 |
| 25 | 198214365329 |
| 26 | 68665065250 |
| 27 | 2860160370 |
[1,51,51,762,2384,762,9405,82691,82691,9405, 109194,2718363,7853122,2718363,109194,1239185, 88297042,735082380,735082380,88297042,1239185, 13937206,2860160370,68665065250,198214365329, 68665065250,2860160370] |