| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 6 |
| 6 | 11 |
| 7 | 15 |
| 8 | 36 |
| 9 | 38 |
| 10 | 339 |
| 11 | 608 |
| 12 | 699 |
| 13 | 1554 |
| 14 | 3984 |
| 15 | 4281 |
| 16 | 7599 |
| 17 | 12461 |
| 18 | 13697 |
| 19 | 13826 |
| 20 | 16431 |
| 21 | 39108 |
| 22 | 43239 |
| 23 | 46685 |
| 24 | 103046 |
[0,2,3,5,6,11,15,36,38,339,608,699,1554,3984,4281, 7599,12461,13697,13826,16431,39108,43239,46685, 103046] |