The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 60 |
| 4 | 2 |
| 5 | 2520 |
| 6 | 60 |
| 7 | 138600 |
| 8 | 2 |
| 9 | 87318000 |
| 10 | 2520 |
| 11 | 189189000 |
| 12 | 60 |
| 13 | 792148896000000 |
| 14 | 138600 |
| 15 | 70756686000 |
| 16 | 2 |
| 17 | 2288271225240000 |
| 18 | 87318000 |
| 19 | 944154902157667200000000 |
| 20 | 2520 |
| 21 | 20388496616888400000000 |
| 22 | 189189000 |
| 23 | 127170673342713000000 |
| 24 | 60 |
| 25 | 701323506627727183200000000 |
| 26 | 792148896000000 |
| 27 | 21149759041410320377056000000000000000 |
| 28 | 138600 |
[1,2,2,60,2,2520,60,138600,2,87318000,2520, 189189000,60,792148896000000,138600,70756686000,2, 2288271225240000,87318000, 944154902157667200000000,2520, 20388496616888400000000,189189000, 127170673342713000000,60, 701323506627727183200000000,792148896000000, 21149759041410320377056000000000000000,138600] |