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| n | a(n) |
|---|---|
| 1 | 2688 |
| 2 | 18816 |
| 3 | 26244 |
| 4 | 98784 |
| 5 | 222264 |
| 6 | 262144 |
| 7 | 331776 |
| 8 | 333396 |
| 9 | 666792 |
| 10 | 688128 |
| 11 | 1769472 |
| 12 | 2939328 |
| 13 | 3687936 |
| 14 | 4214784 |
| 15 | 4917248 |
| 16 | 13226976 |
| 17 | 19361664 |
| 18 | 38118276 |
| 19 | 71663616 |
| 20 | 111476736 |
| 21 | 133413966 |
| 22 | 161414428 |
| 23 | 169869312 |
| 24 | 184473632 |
| 25 | 267846264 |
| 26 | 368947264 |
| 27 | 476171136 |
| 28 | 1783627776 |
[2688,18816,26244,98784,222264,262144,331776, 333396,666792,688128,1769472,2939328,3687936, 4214784,4917248,13226976,19361664,38118276, 71663616,111476736,133413966,161414428,169869312, 184473632,267846264,368947264,476171136, 1783627776] |