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| n | a(n) |
|---|---|
| 1 | 150 |
| 2 | 1080 |
| 3 | 1740 |
| 4 | 6627 |
| 5 | 28932 |
| 6 | 19269 |
| 7 | 36552 |
| 8 | 348679 |
| 9 | 724300 |
| 10 | 216912 |
| 11 | 187000 |
| 12 | 3352272 |
| 13 | 17195593 |
| 14 | 18577404 |
| 15 | 2430631 |
| 16 | 905440 |
| 17 | 27291608 |
| 18 | 294088336 |
| 19 | 873945739 |
| 20 | 474547100 |
| 21 | 27278035 |
| 22 | 4206453 |
| 23 | 195753488 |
| 24 | 3934266515 |
| 25 | 26787273856 |
| 26 | 44356434596 |
[150,1080,1740,6627,28932,19269,36552,348679, 724300,216912,187000,3352272,17195593,18577404, 2430631,905440,27291608,294088336,873945739, 474547100,27278035,4206453,195753488,3934266515, 26787273856,44356434596] |