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| n | a(n) |
|---|---|
| 1 | 673 |
| 2 | 1165921 |
| 3 | 6228961 |
| 4 | 53378329 |
| 5 | 128818873 |
| 6 | 805379161 |
| 7 | 926711449 |
| 8 | 1542173569 |
| 9 | 2459671993 |
| 10 | 8365652929 |
| 11 | 14232980953 |
| 12 | 26484614209 |
| 13 | 30755887321 |
| 14 | 31937961241 |
| 15 | 37968797689 |
| 16 | 78180076129 |
| 17 | 80974979329 |
| 18 | 97835803129 |
| 19 | 168394504129 |
| 20 | 314911422913 |
| 21 | 410879716321 |
| 22 | 529074406681 |
[673,1165921,6228961,53378329,128818873,805379161, 926711449,1542173569,2459671993,8365652929, 14232980953,26484614209,30755887321,31937961241, 37968797689,78180076129,80974979329,97835803129, 168394504129,314911422913,410879716321, 529074406681] |