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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 10 |
| 6 | 6 |
| 7 | 420 |
| 8 | 56 |
| 9 | 63 |
| 10 | 120 |
| 11 | 1155 |
| 12 | 792 |
| 13 | 180180 |
| 14 | 121080960 |
| 15 | 5405400 |
| 16 | 5765760 |
| 17 | 14294280 |
| 18 | 10585935360 |
| 19 | 969969 |
| 20 | 221707200 |
| 21 | 219988969200 |
| 22 | 853572720 |
| 23 | 206137811880 |
| 24 | 25700298624 |
| 25 | 368103235500 |
| 26 | 306261891936000 |
| 27 | 9302704967556000 |
[1,2,3,4,10,6,420,56,63,120,1155,792,180180, 121080960,5405400,5765760,14294280,10585935360, 969969,221707200,219988969200,853572720, 206137811880,25700298624,368103235500, 306261891936000,9302704967556000] |