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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 26 |
| 3 | 550 |
| 4 | 9808 |
| 5 | 290140 |
| 6 | 8526762 |
| 7 | 226627855 |
| 8 | 6429210362 |
| 9 | 189020997503 |
| 10 | 5485167198242 |
| 11 | 160226445169831 |
| 12 | 4738482482000394 |
| 13 | 140498396836803614 |
| 14 | 4175334634703864434 |
| 15 | 124606393191706378406 |
| 16 | 3729279022290970831400 |
[1,26,550,9808,290140,8526762,226627855, 6429210362,189020997503,5485167198242, 160226445169831,4738482482000394, 140498396836803614,4175334634703864434, 124606393191706378406,3729279022290970831400] |