Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 11 |
4 | 61 |
5 | 379 |
6 | 2668 |
7 | 21160 |
8 | 187388 |
9 | 1836396 |
10 | 19753416 |
11 | 231545016 |
12 | 2939000832 |
13 | 40172455296 |
14 | 588444153984 |
15 | 9197306248320 |
16 | 152803737342720 |
17 | 2689320607107840 |
18 | 49986863946616320 |
19 | 978529776749959680 |
20 | 20123805782225664000 |
21 | 433785771471677184000 |
22 | 9780622725328777728000 |
[0,2,11,61,379,2668,21160,187388,1836396,19753416, 231545016,2939000832,40172455296,588444153984, 9197306248320,152803737342720,2689320607107840, 49986863946616320,978529776749959680, 20123805782225664000,433785771471677184000, 9780622725328777728000] |