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| n | a(n) |
|---|---|
| 1 | 2931 |
| 2 | 3201 |
| 3 | 17541 |
| 4 | 92287 |
| 5 | 480526 |
| 6 | 2547827 |
| 7 | 13460703 |
| 8 | 71027985 |
| 9 | 375675407 |
| 10 | 1985308118 |
| 11 | 10482759563 |
| 12 | 55378851697 |
| 13 | 292644335838 |
| 14 | 1546162330340 |
| 15 | 8168095348012 |
| 16 | 43152835319692 |
| 17 | 227991513370805 |
| 18 | 1204546728063240 |
[2931,3201,17541,92287,480526,2547827,13460703, 71027985,375675407,1985308118,10482759563, 55378851697,292644335838,1546162330340, 8168095348012,43152835319692,227991513370805, 1204546728063240] |