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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 23 |
| 3 | 51 |
| 4 | 79 |
| 5 | 253 |
| 6 | 270 |
| 7 | 320 |
| 8 | 366 |
| 9 | 2460 |
| 10 | 3844 |
| 11 | 14207 |
| 12 | 46819 |
| 13 | 68493 |
[1,9,23,51,79,253,270,320,366,2460,3844,14207, 46819,68493] |