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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 17 |
| 3 | 172 |
| 4 | 189 |
| 5 | 361 |
| 6 | 550 |
| 7 | 911 |
| 8 | 1461 |
| 9 | 2372 |
| 10 | 3833 |
| 11 | 6205 |
| 12 | 65883 |
| 13 | 533269 |
| 14 | 1132421 |
| 15 | 48094951 |
| 16 | 97322323 |
| 17 | 826673535 |
| 18 | 8364057673 |
| 19 | 9190731208 |
| 20 | 17554788881 |
| 21 | 26745520089 |
| 22 | 44300308970 |
| 23 | 71045829059 |
| 24 | 115346138029 |
| 25 | 186391967088 |
| 26 | 301738105117 |
| 27 | 3203773018258 |
[1,2,17,172,189,361,550,911,1461,2372,3833,6205, 65883,533269,1132421,48094951,97322323,826673535, 8364057673,9190731208,17554788881,26745520089, 44300308970,71045829059,115346138029,186391967088, 301738105117,3203773018258] |