| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 11 |
| 7 | 14 |
| 8 | 20 |
| 9 | 25 |
| 10 | 35 |
| 11 | 36 |
| 12 | 117 |
| 13 | 164 |
| 14 | 372 |
| 15 | 453 |
| 16 | 649 |
| 17 | 1743 |
| 18 | 1748 |
| 19 | 1897 |
| 20 | 2323 |
| 21 | 6351 |
| 22 | 16599 |
| 23 | 25017 |
| 24 | 25736 |
| 25 | 27866 |
[0,1,3,5,7,11,14,20,25,35,36,117,164,372,453,649, 1743,1748,1897,2323,6351,16599,25017,25736,27866] |