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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 10 |
| 9 | 23 |
| 10 | 43 |
| 11 | 82 |
| 12 | 164 |
| 13 | 328 |
| 14 | 656 |
| 15 | 1312 |
| 16 | 2622 |
| 17 | 5243 |
| 18 | 10486 |
| 19 | 20972 |
| 20 | 41945 |
| 21 | 83887 |
| 22 | 167773 |
| 23 | 335546 |
| 24 | 671092 |
| 25 | 1342184 |
| 26 | 2684360 |
| 27 | 5368712 |
| 28 | 10737422 |
| 29 | 21474842 |
| 30 | 42949682 |
| 31 | 85899350 |
| 32 | 171798690 |
| 33 | 343597388 |
| 34 | 687194782 |
| 35 | 1374389558 |
[1,1,1,1,1,1,1,3,10,23,43,82,164,328,656,1312, 2622,5243,10486,20972,41945,83887,167773,335546, 671092,1342184,2684360,5368712,10737422,21474842, 42949682,85899350,171798690,343597388,687194782, 1374389558] |