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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 62 |
| 5 | 80 |
| 6 | 122 |
| 7 | 136 |
| 8 | 658 |
| 9 | 1918 |
| 10 | 2998 |
| 11 | 3404 |
| 12 | 4042 |
| 13 | 5678 |
| 14 | 8378 |
| 15 | 10438 |
| 16 | 23530 |
| 17 | 24610 |
| 18 | 29090 |
| 19 | 41650 |
| 20 | 120818 |
[1,2,4,62,80,122,136,658,1918,2998,3404,4042,5678, 8378,10438,23530,24610,29090,41650,120818] |