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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 20 |
| 4 | 33 |
| 5 | 62 |
| 6 | 68 |
| 7 | 86 |
| 8 | 195 |
| 9 | 524 |
| 10 | 530 |
| 11 | 657 |
| 12 | 1874 |
| 13 | 2198 |
| 14 | 62072 |
| 15 | 73076 |
[0,2,20,33,62,68,86,195,524,530,657,1874,2198, 62072,73076] |