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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 15 |
| 4 | 39 |
| 5 | 87 |
| 6 | 102 |
| 7 | 267 |
| 8 | 507 |
| 9 | 582 |
| 10 | 699 |
| 11 | 1299 |
| 12 | 1830 |
| 13 | 2955 |
| 14 | 3975 |
| 15 | 4791 |
| 16 | 8691 |
| 17 | 12543 |
| 18 | 17223 |
| 19 | 19398 |
| 20 | 22683 |
| 21 | 27231 |
| 22 | 32838 |
| 23 | 44103 |
| 24 | 85971 |
| 25 | 100383 |
| 26 | 112998 |
| 27 | 129783 |
| 28 | 154923 |
| 29 | 186630 |
| 30 | 225075 |
| 31 | 289671 |
| 32 | 405411 |
| 33 | 585075 |
| 34 | 589254 |
| 35 | 884055 |
| 36 | 1279167 |
| 37 | 1498179 |
| 38 | 1542687 |
| 39 | 1938054 |
| 40 | 2777295 |
| 41 | 3410067 |
| 42 | 3836454 |
[3,6,15,39,87,102,267,507,582,699,1299,1830,2955, 3975,4791,8691,12543,17223,19398,22683,27231, 32838,44103,85971,100383,112998,129783,154923, 186630,225075,289671,405411,585075,589254,884055, 1279167,1498179,1542687,1938054,2777295,3410067, 3836454] |