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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 3516 |
| 3 | 3516 |
| 4 | 49342 |
| 5 | 158806 |
| 6 | 49342 |
| 7 | 687900 |
| 8 | 7232034 |
| 9 | 7232034 |
| 10 | 687900 |
| 11 | 9599032 |
| 12 | 328811578 |
| 13 | 1079255234 |
| 14 | 328811578 |
| 15 | 9599032 |
| 16 | 133932498 |
| 17 | 14927163064 |
| 18 | 160170012852 |
| 19 | 160170012852 |
| 20 | 14927163064 |
| 21 | 133932498 |
| 22 | 1868731400 |
| 23 | 678146728482 |
[256,3516,3516,49342,158806,49342,687900,7232034, 7232034,687900,9599032,328811578,1079255234, 328811578,9599032,133932498,14927163064, 160170012852,160170012852,14927163064,133932498, 1868731400,678146728482] |