Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 9 |
4 | 112 |
5 | 426 |
6 | 4790 |
7 | 18007 |
8 | 208768 |
9 | 783389 |
10 | 9222742 |
11 | 34725955 |
12 | 412489970 |
13 | 1558983053 |
14 | 18631988604 |
15 | 70660866011 |
16 | 848302913944 |
17 | 3226795572945 |
18 | 38872008280152 |
19 | 148241838020273 |
20 | 1790674769103638 |
21 | 6843805534505557 |
[1,5,9,112,426,4790,18007,208768,783389,9222742, 34725955,412489970,1558983053,18631988604, 70660866011,848302913944,3226795572945, 38872008280152,148241838020273,1790674769103638, 6843805534505557] |