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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 27 |
| 3 | 888 |
| 4 | 1011 |
| 5 | 1148 |
| 6 | 6027 |
| 7 | 6740 |
| 8 | 7535 |
| 9 | 35948 |
| 10 | 40103 |
| 11 | 44736 |
| 12 | 210335 |
| 13 | 234552 |
| 14 | 261555 |
| 15 | 1226736 |
| 16 | 1367883 |
| 17 | 1525268 |
| 18 | 7150755 |
| 19 | 7973420 |
| 20 | 8890727 |
| 21 | 41678468 |
| 22 | 46473311 |
| 23 | 51819768 |
| 24 | 242920727 |
| 25 | 270867120 |
| 26 | 302028555 |
| 27 | 1415846568 |
| 28 | 1578730083 |
[0,27,888,1011,1148,6027,6740,7535,35948,40103, 44736,210335,234552,261555,1226736,1367883, 1525268,7150755,7973420,8890727,41678468,46473311, 51819768,242920727,270867120,302028555,1415846568, 1578730083] |