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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 9 |
| 3 | 54 |
| 4 | 470 |
| 5 | 5375 |
| 6 | 76237 |
| 7 | 1291052 |
| 8 | 25415028 |
| 9 | 570177387 |
| 10 | 14358031083 |
| 11 | 400970609974 |
| 12 | 12297528376718 |
| 13 | 410864493836407 |
| 14 | 14852560618944921 |
| 15 | 577574220388332600 |
| 16 | 24040616483779262824 |
| 17 | 1066403330800172463507 |
[2,9,54,470,5375,76237,1291052,25415028,570177387, 14358031083,400970609974,12297528376718, 410864493836407,14852560618944921, 577574220388332600,24040616483779262824, 1066403330800172463507] |