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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 14 |
| 4 | 17 |
| 5 | 59 |
| 6 | 70 |
| 7 | 233 |
| 8 | 271 |
| 9 | 914 |
| 10 | 1151 |
| 11 | 3744 |
| 12 | 4336 |
| 13 | 14728 |
| 14 | 18396 |
| 15 | 59478 |
| 16 | 68853 |
| 17 | 237471 |
| 18 | 291944 |
| 19 | 958124 |
| 20 | 1107946 |
| 21 | 3783995 |
| 22 | 4686796 |
| 23 | 15254834 |
| 24 | 17690111 |
| 25 | 60800802 |
| 26 | 74763511 |
| 27 | 245314470 |
| 28 | 283241855 |
| 29 | 968044986 |
| 30 | 1201527763 |
| 31 | 3908509374 |
| 32 | 4524652997 |
| 33 | 15568858861 |
[1,3,4,14,17,59,70,233,271,914,1151,3744,4336, 14728,18396,59478,68853,237471,291944,958124, 1107946,3783995,4686796,15254834,17690111, 60800802,74763511,245314470,283241855,968044986, 1201527763,3908509374,4524652997,15568858861] |