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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 4096 |
| 4 | 63248 |
| 5 | 974864 |
| 6 | 14988504 |
| 7 | 230263568 |
| 8 | 3535340280 |
| 9 | 54259841344 |
| 10 | 832568721040 |
| 11 | 12772986729296 |
| 12 | 195938264147352 |
| 13 | 3005495334322240 |
| 14 | 46099170983713952 |
| 15 | 707061472008632816 |
| 16 | 10844578371744358376 |
[16,256,4096,63248,974864,14988504,230263568, 3535340280,54259841344,832568721040, 12772986729296,195938264147352,3005495334322240, 46099170983713952,707061472008632816, 10844578371744358376] |