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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 9 |
| 3 | 33 |
| 4 | 33 |
| 5 | 91 |
| 6 | 118 |
| 7 | 213 |
| 8 | 213 |
| 9 | 213 |
| 10 | 213 |
| 11 | 143095 |
| 12 | 143095 |
| 13 | 10496839 |
| 14 | 237520705 |
| 15 | 10630829 |
| 16 | 7225144283 |
| 17 | 54712989442 |
| 18 | 54712989442 |
[4,9,33,33,91,118,213,213,213,213,143095,143095, 10496839,237520705,10630829,7225144283, 54712989442,54712989442] |