Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 13 |
6 | 35 |
7 | 181 |
8 | 1303 |
9 | 13131 |
10 | 161693 |
11 | 2592581 |
12 | 57377381 |
13 | 1720164275 |
14 | 69927099465 |
15 | 3715147371129 |
16 | 261988046119405 |
17 | 24980387570081613 |
18 | 3210146525819915095 |
19 | 550205755804555982181 |
20 | 125514016677735094761717 |
[1,1,1,3,13,35,181,1303,13131,161693,2592581, 57377381,1720164275,69927099465,3715147371129, 261988046119405,24980387570081613, 3210146525819915095,550205755804555982181, 125514016677735094761717] |