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| n | a(n) |
|---|---|
| 1 | 360 |
| 2 | 2412 |
| 3 | 17166 |
| 4 | 122232 |
| 5 | 864948 |
| 6 | 6127554 |
| 7 | 43434216 |
| 8 | 307791390 |
| 9 | 2181099672 |
| 10 | 15456520254 |
| 11 | 109532942598 |
| 12 | 776204639616 |
| 13 | 5500580033478 |
| 14 | 38979904487142 |
| 15 | 276231336095166 |
| 16 | 1957515179621772 |
| 17 | 13871944501198614 |
| 18 | 98303626985179020 |
[360,2412,17166,122232,864948,6127554,43434216, 307791390,2181099672,15456520254,109532942598, 776204639616,5500580033478,38979904487142, 276231336095166,1957515179621772, 13871944501198614,98303626985179020] |