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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 15 |
| 5 | 23 |
| 6 | 26 |
| 7 | 32 |
| 8 | 36 |
| 9 | 80 |
| 10 | 109 |
| 11 | 168 |
| 12 | 181 |
| 13 | 197 |
| 14 | 2593 |
| 15 | 11745 |
| 16 | 251272 |
| 17 | 278611 |
| 18 | 1056638 |
| 19 | 2981470 |
| 20 | 5686564 |
| 21 | 11247012 |
| 22 | 23721069 |
| 23 | 27419169 |
| 24 | 67064329 |
| 25 | 112272234 |
| 26 | 248123098 |
| 27 | 1004582810 |
| 28 | 1169214444 |
| 29 | 2819763247 |
[1,2,5,15,23,26,32,36,80,109,168,181,197,2593, 11745,251272,278611,1056638,2981470,5686564, 11247012,23721069,27419169,67064329,112272234, 248123098,1004582810,1169214444,2819763247] |