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| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 10 |
| 6 | 11 |
| 7 | 30 |
| 8 | 83 |
| 9 | 226 |
| 10 | 4549 |
| 11 | 91379 |
| 12 | 91380 |
| 13 | 248396 |
| 14 | 248397 |
| 15 | 675213 |
| 16 | 4989190 |
| 17 | 4989191 |
| 18 | 13562026 |
| 19 | 13562027 |
| 20 | 36865412 |
| 21 | 100210580 |
| 22 | 2012783315 |
| 23 | 5471312310 |
| 24 | 40427833595 |
| 25 | 40427833596 |
| 26 | 109894245428 |
| 27 | 812014744421 |
| 28 | 812014744422 |
| 29 | 2207284924202 |
| 30 | 2207284924203 |
[2,3,4,10,11,30,83,226,4549,91379,91380,248396, 248397,675213,4989190,4989191,13562026,13562027, 36865412,100210580,2012783315,5471312310, 40427833595,40427833596,109894245428,812014744421, 812014744422,2207284924202,2207284924203] |