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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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 5 |
| 7 | 30 |
| 8 | 105 |
| 9 | 70 |
| 10 | 21 |
| 11 | 210 |
| 12 | 385 |
| 13 | 2310 |
| 14 | 2145 |
| 15 | 2002 |
| 16 | 15015 |
| 17 | 30030 |
| 18 | 85085 |
| 19 | 510510 |
| 20 | 969969 |
| 21 | 461890 |
| 22 | 440895 |
| 23 | 9699690 |
| 24 | 37182145 |
| 25 | 44618574 |
| 26 | 8580495 |
| 27 | 74364290 |
| 28 | 15935205 |
| 29 | 223092870 |
| 30 | 215656441 |
| 31 | 6469693230 |
| 32 | 100280245065 |
[1,1,2,3,6,5,30,105,70,21,210,385,2310,2145,2002, 15015,30030,85085,510510,969969,461890,440895, 9699690,37182145,44618574,8580495,74364290, 15935205,223092870,215656441,6469693230, 100280245065] |