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| n | a(n) |
|---|---|
| 1 | 360 |
| 2 | 63326 |
| 3 | 1282168 |
| 4 | 11315108 |
| 5 | 62141592 |
| 6 | 253625670 |
| 7 | 838749476 |
| 8 | 2371034404 |
| 9 | 5950389676 |
| 10 | 13585723472 |
| 11 | 28694253866 |
| 12 | 56870615234 |
| 13 | 106810248534 |
| 14 | 191533300498 |
| 15 | 330111908464 |
| 16 | 549616167606 |
| 17 | 887398698638 |
| 18 | 1394638491438 |
[360,63326,1282168,11315108,62141592,253625670, 838749476,2371034404,5950389676,13585723472, 28694253866,56870615234,106810248534,191533300498, 330111908464,549616167606,887398698638, 1394638491438] |