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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 37 |
| 4 | 109 |
| 5 | 2045 |
| 6 | 49141 |
| 7 | 54569 |
| 8 | 65485 |
| 9 | 148957 |
| 10 | 174989 |
| 11 | 180613 |
| 12 | 231197 |
| 13 | 479081 |
| 14 | 1055381 |
| 15 | 1769101 |
[1,5,37,109,2045,49141,54569,65485,148957,174989, 180613,231197,479081,1055381,1769101] |