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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 5 |
| 4 | 14 |
| 5 | 13 |
| 6 | 42 |
| 7 | 29 |
| 8 | 134 |
| 9 | 69 |
| 10 | 474 |
| 11 | 197 |
| 12 | 1798 |
| 13 | 669 |
| 14 | 7050 |
| 15 | 2509 |
| 16 | 28006 |
| 17 | 9813 |
| 18 | 111770 |
| 19 | 38965 |
| 20 | 446758 |
| 21 | 155501 |
| 22 | 1786634 |
| 23 | 621565 |
| 24 | 7146054 |
| 25 | 2485733 |
| 26 | 28583642 |
| 27 | 9942309 |
| 28 | 114333894 |
| 29 | 39768509 |
| 30 | 457334794 |
| 31 | 159073197 |
| 32 | 1829338278 |
[1,4,5,14,13,42,29,134,69,474,197,1798,669,7050, 2509,28006,9813,111770,38965,446758,155501, 1786634,621565,7146054,2485733,28583642,9942309, 114333894,39768509,457334794,159073197,1829338278] |