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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 10 |
| 5 | 22 |
| 6 | 23 |
| 7 | 90 |
| 8 | 117 |
| 9 | 175 |
| 10 | 319 |
| 11 | 746 |
| 12 | 1264 |
| 13 | 3925 |
| 14 | 8313 |
| 15 | 10690 |
| 16 | 23566 |
| 17 | 64525 |
| 18 | 133493 |
| 19 | 380783 |
| 20 | 903835 |
| 21 | 2427039 |
| 22 | 6349271 |
| 23 | 16657466 |
| 24 | 24493816 |
| 25 | 74970066 |
| 26 | 84860988 |
| 27 | 133884920 |
| 28 | 144156567 |
| 29 | 630996725 |
| 30 | 637860615 |
| 31 | 2396049996 |
| 32 | 3819335725 |
[1,2,3,6,10,22,23,90,117,175,319,746,1264,3925, 8313,10690,23566,64525,133493,380783,903835, 2427039,6349271,16657466,24493816,74970066, 84860988,133884920,144156567,630996725,637860615, 2396049996,3819335725] |