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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 16 |
| 4 | 243 |
| 5 | 33120 |
| 6 | 87723296 |
| 7 | 3633057074584 |
| 8 | 1967881448329407496 |
| 9 | 13670271807937483065795200 |
| 10 | 1232069666043220685614640133362240 |
| 11 | 1464616584892951614637834432454928487321792 |
| 12 | 23331378450474334173960358458324497256118170821672192 |
| 13 | 5051222500253499871627935174024445724071241027782979567759187712 |
[1,3,16,243,33120,87723296,3633057074584, 1967881448329407496,13670271807937483065795200, 1232069666043220685614640133362240, 1464616584892951614637834432454928487321792, 23331378450474334173960358458324497256118170821672\ 192, 50512225002534998716279351740244457240712410277829\ 79567759187712] |