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| n | a(n) |
|---|---|
| 1 | 311512 |
| 2 | 4121060 |
| 3 | 61521086 |
| 4 | 977290740 |
| 5 | 14891233160 |
| 6 | 228407442348 |
| 7 | 3615152813462 |
| 8 | 55793291175056 |
| 9 | 882176438911922 |
| 10 | 13667993065228308 |
| 11 | 217505797950500694 |
| 12 | 3377924302868998888 |
| 13 | 53802897865062024654 |
[311512,4121060,61521086,977290740,14891233160, 228407442348,3615152813462,55793291175056, 882176438911922,13667993065228308, 217505797950500694,3377924302868998888, 53802897865062024654] |