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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 8 |
| 5 | 21 |
| 6 | 32 |
| 7 | 33 |
| 8 | 48 |
| 9 | 68 |
| 10 | 295 |
| 11 | 296 |
| 12 | 298 |
| 13 | 1081 |
| 14 | 1753 |
| 15 | 1963 |
| 16 | 4336 |
| 17 | 5008 |
| 18 | 5608 |
| 19 | 14240 |
[0,1,3,8,21,32,33,48,68,295,296,298,1081,1753, 1963,4336,5008,5608,14240] |