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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 113 |
| 3 | 1327 |
| 4 | 1669 |
| 5 | 2477 |
| 6 | 2971 |
| 7 | 3271 |
| 8 | 4297 |
| 9 | 4831 |
| 10 | 5591 |
| 11 | 31397 |
| 12 | 34061 |
| 13 | 43331 |
| 14 | 44293 |
| 15 | 58831 |
| 16 | 155921 |
| 17 | 370261 |
| 18 | 492113 |
| 19 | 604073 |
| 20 | 1357201 |
| 21 | 1561919 |
| 22 | 2010733 |
| 23 | 2127163 |
| 24 | 2238823 |
| 25 | 4652353 |
| 26 | 6034247 |
| 27 | 7230331 |
| 28 | 8421251 |
| 29 | 8917523 |
| 30 | 11113933 |
| 31 | 20831323 |
[7,113,1327,1669,2477,2971,3271,4297,4831,5591, 31397,34061,43331,44293,58831,155921,370261, 492113,604073,1357201,1561919,2010733,2127163, 2238823,4652353,6034247,7230331,8421251,8917523, 11113933,20831323] |