| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 7 |
| 6 | 7 |
| 7 | 8 |
| 8 | 14 |
| 9 | 16 |
| 10 | 21 |
| 11 | 36 |
| 12 | 40 |
| 13 | 41 |
| 14 | 354 |
| 15 | 407 |
| 16 | 568 |
| 17 | 2253 |
| 18 | 2392 |
| 19 | 6783 |
| 20 | 8608 |
| 21 | 10968 |
| 22 | 23813 |
| 23 | 149663 |
| 24 | 1353193 |
| 25 | 2273258 |
| 26 | 11992211 |
| 27 | 18888350 |
| 28 | 35589752 |
| 29 | 279408946 |
| 30 | 926928928 |
| 31 | 7122445646 |
| 32 | 12200380022 |
| 33 | 24793374441 |
| 34 | 1006675801235 |
[1,1,2,4,7,7,8,14,16,21,36,40,41,354,407,568,2253, 2392,6783,8608,10968,23813,149663,1353193,2273258, 11992211,18888350,35589752,279408946,926928928, 7122445646,12200380022,24793374441,1006675801235] |