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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 356 |
| 3 | 21141 |
| 4 | 7824415 |
| 5 | 1487830718 |
| 6 | 343944986355 |
| 7 | 74591651561541 |
| 8 | 16513537201433122 |
| 9 | 3631417278822015869 |
| 10 | 800314315609344769958 |
| 11 | 176252542616326417994974 |
| 12 | 38825002002696841996583880 |
[0,356,21141,7824415,1487830718,343944986355, 74591651561541,16513537201433122, 3631417278822015869,800314315609344769958, 176252542616326417994974, 38825002002696841996583880] |