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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 572 |
| 3 | 22460 |
| 4 | 1081934 |
| 5 | 52280836 |
| 6 | 2532190370 |
| 7 | 122516675112 |
| 8 | 5929632659798 |
| 9 | 286977959791124 |
| 10 | 13889029266631118 |
| 11 | 672194585361641260 |
| 12 | 32532561867929917938 |
| 13 | 1574495801177251479112 |
| 14 | 76201716513448711380190 |
[0,572,22460,1081934,52280836,2532190370, 122516675112,5929632659798,286977959791124, 13889029266631118,672194585361641260, 32532561867929917938,1574495801177251479112, 76201716513448711380190] |