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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 1500 |
| 3 | 1500 |
| 4 | 8414 |
| 5 | 22960 |
| 6 | 8414 |
| 7 | 52484 |
| 8 | 333446 |
| 9 | 333446 |
| 10 | 52484 |
| 11 | 328768 |
| 12 | 5961802 |
| 13 | 9999802 |
| 14 | 5961802 |
| 15 | 328768 |
| 16 | 2145192 |
| 17 | 107652788 |
| 18 | 436271890 |
| 19 | 436271890 |
| 20 | 107652788 |
| 21 | 2145192 |
| 22 | 14152560 |
| 23 | 2051159992 |
| 24 | 17759803582 |
| 25 | 50384979024 |
| 26 | 17759803582 |
[256,1500,1500,8414,22960,8414,52484,333446, 333446,52484,328768,5961802,9999802,5961802, 328768,2145192,107652788,436271890,436271890, 107652788,2145192,14152560,2051159992,17759803582, 50384979024,17759803582] |