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| n | a(n) |
|---|---|
| 0 | 16777216 |
| 1 | 1000000000000 |
| 2 | 281474976710656 |
| 3 | 12855002631049216 |
| 4 | 232218265089212416 |
| 5 | 2386420683693101056 |
| 6 | 16777216000000000000 |
| 7 | 89762301673555234816 |
| 8 | 390877006486250192896 |
| 9 | 1449225352009601191936 |
| 10 | 4722366482869645213696 |
| 11 | 13841287201000000000000 |
| 12 | 37133262473195501387776 |
[16777216,1000000000000,281474976710656, 12855002631049216,232218265089212416, 2386420683693101056,16777216000000000000, 89762301673555234816,390877006486250192896, 1449225352009601191936,4722366482869645213696, 13841287201000000000000,37133262473195501387776] |