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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 16777216 |
| 2 | 13841287201 |
| 3 | 1000000000000 |
| 4 | 23298085122481 |
| 5 | 281474976710656 |
| 6 | 2213314919066161 |
| 7 | 12855002631049216 |
| 8 | 59604644775390625 |
| 9 | 232218265089212416 |
| 10 | 787662783788549761 |
| 11 | 2386420683693101056 |
| 12 | 6582952005840035281 |
| 13 | 16777216000000000000 |
| 14 | 39959630797262576401 |
[1,16777216,13841287201,1000000000000, 23298085122481,281474976710656,2213314919066161, 12855002631049216,59604644775390625, 232218265089212416,787662783788549761, 2386420683693101056,6582952005840035281, 16777216000000000000,39959630797262576401] |