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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 8 |
| 4 | 10 |
| 5 | 27 |
| 6 | 31 |
| 7 | 37 |
| 8 | 38 |
| 9 | 102 |
| 10 | 110 |
| 11 | 126 |
| 12 | 219 |
| 13 | 245 |
| 14 | 309 |
| 15 | 389 |
| 16 | 474 |
| 17 | 648 |
| 18 | 653 |
| 19 | 719 |
| 20 | 979 |
| 21 | 4642 |
| 22 | 8745 |
| 23 | 17984 |
| 24 | 27374 |
| 25 | 33806 |
| 26 | 47578 |
| 27 | 63375 |
| 28 | 155060 |
| 29 | 214982 |
| 30 | 222936 |
| 31 | 774303 |
| 32 | 1212989 |
| 33 | 1314605 |
| 34 | 1914365 |
| 35 | 2148329 |
| 36 | 4213072 |
| 37 | 7179881 |
| 38 | 27679209 |
[1,2,5,8,10,27,31,37,38,102,110,126,219,245,309, 389,474,648,653,719,979,4642,8745,17984,27374, 33806,47578,63375,155060,214982,222936,774303, 1212989,1314605,1914365,2148329,4213072,7179881, 27679209] |