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| n | a(n) |
|---|---|
| 1 | 738 |
| 2 | 771 |
| 3 | 1754 |
| 4 | 5401 |
| 5 | 18227 |
| 6 | 62457 |
| 7 | 213857 |
| 8 | 735191 |
| 9 | 2535595 |
| 10 | 8732059 |
| 11 | 30044333 |
| 12 | 103433297 |
| 13 | 356211437 |
| 14 | 1226555559 |
| 15 | 4222869527 |
| 16 | 14539251609 |
| 17 | 50061142057 |
| 18 | 172368825829 |
| 19 | 593481175903 |
| 20 | 2043402198235 |
| 21 | 7035653624543 |
| 22 | 24224571439559 |
[738,771,1754,5401,18227,62457,213857,735191, 2535595,8732059,30044333,103433297,356211437, 1226555559,4222869527,14539251609,50061142057, 172368825829,593481175903,2043402198235, 7035653624543,24224571439559] |