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| n | a(n) |
|---|---|
| 1 | 164 |
| 2 | 2138 |
| 3 | 48490 |
| 4 | 956866 |
| 5 | 20014278 |
| 6 | 407900408 |
| 7 | 8454015792 |
| 8 | 173331549156 |
| 9 | 3583467036398 |
| 10 | 73637531304764 |
| 11 | 1520470917860158 |
| 12 | 31281412038561736 |
| 13 | 645413766480453102 |
| 14 | 13287410455121938834 |
| 15 | 274025926174436180190 |
[164,2138,48490,956866,20014278,407900408, 8454015792,173331549156,3583467036398, 73637531304764,1520470917860158,31281412038561736, 645413766480453102,13287410455121938834, 274025926174436180190] |