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| n | a(n) |
|---|---|
| 0 | 1953125 |
| 1 | 2357947691 |
| 2 | 118587876497 |
| 3 | 1801152661463 |
| 4 | 14507145975869 |
| 5 | 78815638671875 |
| 6 | 327381934393961 |
| 7 | 1119130473102767 |
| 8 | 3299763591802133 |
| 9 | 8662995818654939 |
| 10 | 20711912837890625 |
| 11 | 45848500718449031 |
| 12 | 95151694449171437 |
| 13 | 186940255267540403 |
| 14 | 350356403707485209 |
| 15 | 630249409724609375 |
[1953125,2357947691,118587876497,1801152661463, 14507145975869,78815638671875,327381934393961, 1119130473102767,3299763591802133, 8662995818654939,20711912837890625, 45848500718449031,95151694449171437, 186940255267540403,350356403707485209, 630249409724609375] |