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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 34 |
| 3 | 114 |
| 4 | 140 |
| 5 | 2462 |
| 6 | 18056 |
| 7 | 62133 |
| 8 | 82861 |
| 9 | 1593643 |
| 10 | 11978376 |
| 11 | 41385355 |
| 12 | 54794307 |
| 13 | 1094405924 |
| 14 | 8362468865 |
| 15 | 28876780544 |
| 16 | 37796133889 |
| 17 | 761894988558 |
| 18 | 5848452096002 |
| 19 | 20148759500753 |
| 20 | 26152640971116 |
| 21 | 532945521296121 |
[7,34,114,140,2462,18056,62133,82861,1593643, 11978376,41385355,54794307,1094405924,8362468865, 28876780544,37796133889,761894988558, 5848452096002,20148759500753,26152640971116, 532945521296121] |