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| n | a(n) |
|---|---|
| 0 | 11 |
| 1 | 31 |
| 2 | 97 |
| 3 | 271 |
| 4 | 811 |
| 5 | 2437 |
| 6 | 7297 |
| 7 | 21871 |
| 8 | 65617 |
| 9 | 196831 |
| 10 | 5904901 |
| 11 | 17714701 |
| 12 | 5314411 |
| 13 | 15943237 |
| 14 | 47829697 |
| 15 | 1434890761 |
| 16 | 4304672117 |
| 17 | 1291401637 |
| 18 | 3874204891 |
| 19 | 116226146719 |
| 20 | 348678440113 |
| 21 | 1046035320347 |
| 22 | 313810596091 |
| 23 | 9414317882759 |
[11,31,97,271,811,2437,7297,21871,65617,196831, 5904901,17714701,5314411,15943237,47829697, 1434890761,4304672117,1291401637,3874204891, 116226146719,348678440113,1046035320347, 313810596091,9414317882759] |