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| n | a(n) |
|---|---|
| 0 | 1000000 |
| 1 | 85766121 |
| 2 | 1073741824 |
| 3 | 6321363049 |
| 4 | 24794911296 |
| 5 | 75418890625 |
| 6 | 192699928576 |
| 7 | 433626201009 |
| 8 | 885842380864 |
| 9 | 1677100110841 |
| 10 | 2985984000000 |
| 11 | 5053913144281 |
| 12 | 8198418170944 |
| 13 | 12827693806929 |
| 14 | 19456426971136 |
[1000000,85766121,1073741824,6321363049, 24794911296,75418890625,192699928576,433626201009, 885842380864,1677100110841,2985984000000, 5053913144281,8198418170944,12827693806929, 19456426971136] |