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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 93 |
| 6 | 159 |
| 7 | 359 |
| 8 | 1469 |
| 9 | 2897 |
| 10 | 3093 |
| 11 | 3111 |
| 12 | 15697 |
| 13 | 17955 |
| 14 | 42261 |
| 15 | 111031 |
[0,1,3,5,93,159,359,1469,2897,3093,3111,15697, 17955,42261,111031] |