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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 5 |
| 6 | 7 |
| 7 | 10 |
| 8 | 10 |
| 9 | 13 |
| 10 | 17 |
| 11 | 31 |
| 12 | 35 |
| 13 | 67 |
| 14 | 123 |
| 15 | 223 |
| 16 | 305 |
| 17 | 414 |
| 18 | 822 |
| 19 | 1550 |
| 20 | 2224 |
| 21 | 3273 |
| 22 | 4560 |
| 23 | 7804 |
| 24 | 14372 |
| 25 | 15493 |
| 26 | 20080 |
| 27 | 40039 |
| 28 | 44226 |
| 29 | 71916 |
| 30 | 130773 |
| 31 | 183760 |
| 32 | 316165 |
| 33 | 613602 |
| 34 | 1066559 |
| 35 | 1138668 |
| 36 | 1202427 |
| 37 | 2022144 |
| 38 | 2251837 |
| 39 | 2477524 |
| 40 | 4479491 |
| 41 | 7192184 |
| 42 | 11256849 |
[3,3,4,5,5,7,10,10,13,17,31,35,67,123,223,305,414, 822,1550,2224,3273,4560,7804,14372,15493,20080, 40039,44226,71916,130773,183760,316165,613602, 1066559,1138668,1202427,2022144,2251837,2477524, 4479491,7192184,11256849] |