| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 10 |
| 6 | 13 |
| 7 | 23 |
| 8 | 41 |
| 9 | 114 |
| 10 | 210 |
| 11 | 324 |
| 12 | 1034 |
| 13 | 1413 |
| 14 | 3002 |
| 15 | 4420 |
| 16 | 12422 |
| 17 | 22342 |
| 18 | 40314 |
| 19 | 113211 |
| 20 | 204030 |
| 21 | 322241 |
| 22 | 1031321 |
| 23 | 1404112 |
| 24 | 2440433 |
| 25 | 4400100 |
| 26 | 12341033 |
| 27 | 22241133 |
| 28 | 40132221 |
| 29 | 112423404 |
| 30 | 203111130 |
[0,1,1,2,3,10,13,23,41,114,210,324,1034,1413,3002, 4420,12422,22342,40314,113211,204030,322241, 1031321,1404112,2440433,4400100,12341033,22241133, 40132221,112423404,203111130] |