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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 18 |
| 3 | 45 |
| 4 | 90 |
| 5 | 117 |
| 6 | 306 |
| 7 | 522 |
| 8 | 585 |
| 9 | 801 |
| 10 | 1305 |
| 11 | 2097 |
| 12 | 3042 |
| 13 | 3978 |
| 14 | 5490 |
| 15 | 8730 |
| 16 | 14373 |
| 17 | 17730 |
| 18 | 19485 |
| 19 | 22698 |
| 20 | 27234 |
| 21 | 37629 |
| 22 | 44109 |
| 23 | 98514 |
| 24 | 103338 |
| 25 | 113013 |
| 26 | 130365 |
| 27 | 155025 |
| 28 | 186633 |
| 29 | 257913 |
| 30 | 290970 |
| 31 | 405450 |
| 32 | 602298 |
| 33 | 675225 |
| 34 | 884637 |
| 35 | 1279170 |
| 36 | 1498185 |
| 37 | 1767762 |
| 38 | 1946745 |
[9,18,45,90,117,306,522,585,801,1305,2097,3042, 3978,5490,8730,14373,17730,19485,22698,27234, 37629,44109,98514,103338,113013,130365,155025, 186633,257913,290970,405450,602298,675225,884637, 1279170,1498185,1767762,1946745] |