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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 167 |
| 3 | 507 |
| 4 | 543 |
| 5 | 3433 |
| 6 | 6707 |
| 7 | 9615 |
| 8 | 15690 |
| 9 | 87667 |
| 10 | 1023971 |
| 11 | 2054435 |
| 12 | 5871045 |
| 13 | 9150387 |
| 14 | 14146891 |
| 15 | 63538839 |
| 16 | 169623015 |
[7,167,507,543,3433,6707,9615,15690,87667,1023971, 2054435,5871045,9150387,14146891,63538839, 169623015] |