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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 6 |
| 6 | 8 |
| 7 | 9 |
| 8 | 11 |
| 9 | 12 |
| 10 | 13 |
| 11 | 17 |
| 12 | 24 |
| 13 | 27 |
| 14 | 43 |
| 15 | 144 |
| 16 | 342 |
| 17 | 633 |
| 18 | 653 |
| 19 | 2642 |
| 20 | 6966 |
| 21 | 16124 |
| 22 | 84595 |
| 23 | 225177 |
| 24 | 4069057 |
| 25 | 4890280 |
| 26 | 6298187 |
| 27 | 39573326 |
| 28 | 99250579 |
| 29 | 242281125 |
| 30 | 1007075831 |
| 31 | 4705063695 |
| 32 | 5439666500 |
| 33 | 5741331846 |
| 34 | 6168193506 |
| 35 | 9297912451 |
| 36 | 34411164318 |
| 37 | 36390662612 |
| 38 | 265816303567 |
[0,2,3,5,6,8,9,11,12,13,17,24,27,43,144,342,633, 653,2642,6966,16124,84595,225177,4069057,4890280, 6298187,39573326,99250579,242281125,1007075831, 4705063695,5439666500,5741331846,6168193506, 9297912451,34411164318,36390662612,265816303567] |