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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 10 |
| 5 | 17 |
| 6 | 25 |
| 7 | 31 |
| 8 | 48 |
| 9 | 190 |
| 10 | 218 |
| 11 | 328 |
| 12 | 369 |
| 13 | 740 |
| 14 | 1185 |
| 15 | 1664 |
| 16 | 2226 |
| 17 | 2227 |
| 18 | 3386 |
| 19 | 3387 |
| 20 | 4060 |
| 21 | 5950 |
| 22 | 14358 |
| 23 | 30804 |
| 24 | 31546 |
| 25 | 33610 |
| 26 | 104072 |
| 27 | 118506 |
| 28 | 325853 |
| 29 | 597312 |
| 30 | 1319946 |
| 31 | 2324141 |
| 32 | 4140010 |
| 33 | 4258996 |
| 34 | 5911615 |
| 35 | 8040879 |
| 36 | 17567978 |
| 37 | 23163299 |
| 38 | 25203781 |
[3,4,5,10,17,25,31,48,190,218,328,369,740,1185, 1664,2226,2227,3386,3387,4060,5950,14358,30804, 31546,33610,104072,118506,325853,597312,1319946, 2324141,4140010,4258996,5911615,8040879,17567978, 23163299,25203781] |