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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 13 |
| 3 | 13 |
| 4 | 41 |
| 5 | 142 |
| 6 | 41 |
| 7 | 131 |
| 8 | 1440 |
| 9 | 1440 |
| 10 | 131 |
| 11 | 419 |
| 12 | 14685 |
| 13 | 47066 |
| 14 | 14685 |
| 15 | 419 |
| 16 | 1339 |
| 17 | 150265 |
| 18 | 1536913 |
| 19 | 1536913 |
| 20 | 150265 |
| 21 | 1339 |
| 22 | 4279 |
| 23 | 1536541 |
| 24 | 50317761 |
| 25 | 160787652 |
| 26 | 50317761 |
| 27 | 1536541 |
| 28 | 4279 |
| 29 | 13675 |
| 30 | 15708373 |
| 31 | 1646590515 |
| 32 | 16849285277 |
| 33 | 16849285277 |
[4,13,13,41,142,41,131,1440,1440,131,419,14685, 47066,14685,419,1339,150265,1536913,1536913, 150265,1339,4279,1536541,50317761,160787652, 50317761,1536541,4279,13675,15708373,1646590515, 16849285277,16849285277] |