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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 108 |
| 2 | 748 |
| 3 | 5208 |
| 4 | 36300 |
| 5 | 253068 |
| 6 | 1764360 |
| 7 | 12301020 |
| 8 | 85762188 |
| 9 | 597930552 |
| 10 | 4168748268 |
| 11 | 29064349260 |
| 12 | 202635502632 |
| 13 | 1412766774396 |
| 14 | 9849754525644 |
| 15 | 68672102130648 |
| 16 | 478779201937548 |
| 17 | 3338029812632076 |
| 18 | 23272612897409352 |
[108,748,5208,36300,253068,1764360,12301020, 85762188,597930552,4168748268,29064349260, 202635502632,1412766774396,9849754525644, 68672102130648,478779201937548,3338029812632076, 23272612897409352] |