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| n | a(n) |
|---|---|
| 1 | 108 |
| 2 | 1024 |
| 3 | 6912 |
| 4 | 12500 |
| 5 | 84375 |
| 6 | 186624 |
| 7 | 800000 |
| 8 | 1259712 |
| 9 | 3294172 |
| 10 | 11943936 |
| 11 | 22235661 |
| 12 | 67108864 |
| 13 | 145800000 |
| 14 | 210827008 |
| 15 | 452984832 |
| 16 | 1549681956 |
| 17 | 2573571875 |
| 18 | 4294967296 |
| 19 | 10460353203 |
| 20 | 38423222208 |
| 21 | 40000000000 |
| 22 | 52428800000 |
| 23 | 99179645184 |
| 24 | 270000000000 |
| 25 | 782757789696 |
[108,1024,6912,12500,84375,186624,800000,1259712, 3294172,11943936,22235661,67108864,145800000, 210827008,452984832,1549681956,2573571875, 4294967296,10460353203,38423222208,40000000000, 52428800000,99179645184,270000000000,782757789696] |