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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 116 |
| 3 | 2804 |
| 4 | 157312 |
| 5 | 18415674 |
| 6 | 4911447738 |
| 7 | 2766068478692 |
| 8 | 3496332976040148 |
| 9 | 9445243384724999530 |
| 10 | 56648036031686971128288 |
| 11 | 732454090774743685368594486 |
| 12 | 20877132584603122578819078333432 |
| 13 | 1289954839986383433021857780921092718 |
[10,116,2804,157312,18415674,4911447738, 2766068478692,3496332976040148, 9445243384724999530,56648036031686971128288, 732454090774743685368594486, 20877132584603122578819078333432, 1289954839986383433021857780921092718] |