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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 199 |
| 3 | 2866 |
| 4 | 41222 |
| 5 | 523701 |
| 6 | 5692900 |
| 7 | 53537470 |
| 8 | 442630782 |
| 9 | 3265819433 |
| 10 | 21794415254 |
| 11 | 133089115844 |
| 12 | 750997324318 |
| 13 | 3948233068168 |
| 14 | 19473426565401 |
| 15 | 90637200115088 |
| 16 | 400104222792110 |
| 17 | 1682355624069512 |
| 18 | 6763445214323202 |
[16,199,2866,41222,523701,5692900,53537470, 442630782,3265819433,21794415254,133089115844, 750997324318,3948233068168,19473426565401, 90637200115088,400104222792110,1682355624069512, 6763445214323202] |