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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2357947691 |
| 2 | 1207269217792 |
| 3 | 46411484401953 |
| 4 | 618121839509504 |
| 5 | 4605366583984375 |
| 6 | 23762680013799936 |
| 7 | 95151694449171437 |
| 8 | 316478381828866048 |
| 9 | 913517247483640899 |
| 10 | 2357947691000000000 |
| 11 | 5559917313492231481 |
[0,2357947691,1207269217792,46411484401953, 618121839509504,4605366583984375, 23762680013799936,95151694449171437, 316478381828866048,913517247483640899, 2357947691000000000,5559917313492231481] |