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| n | a(n) |
|---|---|
| 2 | 8 |
| 3 | 1 |
| 4 | 0 |
| 5 | 16 |
| 6 | 4 |
| 7 | 19 |
| 8 | 22 |
| 9 | 31 |
| 10 | 24 |
| 11 | 42 |
| 12 | 142 |
| 13 | 239 |
| 14 | 1042 |
| 15 | 1239 |
| 16 | 2389 |
| 17 | 10389 |
| 18 | 310589 |
| 19 | 1310589 |
| 20 | 1000001310589 |
| 21 | 1000000000000000000000001000001310589 |
| 22 | 1000001000000000000000000000001000001310589 |
[8,1,0,16,4,19,22,31,24,42,142,239,1042,1239,2389, 10389,310589,1310589,1000001310589, 1000000000000000000000001000001310589, 1000001000000000000000000000001000001310589] |