Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 30 |
3 | 320 |
4 | 4550 |
5 | 82152 |
6 | 1808268 |
7 | 47018400 |
8 | 1410564870 |
9 | 47959254200 |
10 | 1822451844356 |
11 | 76542978168384 |
12 | 3520976998449820 |
13 | 176048849932891600 |
14 | 9506637896416263000 |
15 | 551384997992298371520 |
16 | 34185869875523100114630 |
17 | 2256267411784526941171800 |
18 | 157938718824916894957161300 |
[1,4,30,320,4550,82152,1808268,47018400, 1410564870,47959254200,1822451844356, 76542978168384,3520976998449820, 176048849932891600,9506637896416263000, 551384997992298371520,34185869875523100114630, 2256267411784526941171800, 157938718824916894957161300] |