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 | 1 |
5 | 1 |
6 | 1 |
7 | 5 |
8 | 17 |
9 | 43 |
10 | 65 |
11 | 175 |
12 | 507 |
13 | 1901 |
14 | 7015 |
15 | 35249 |
16 | 143079 |
17 | 849399 |
18 | 4342589 |
19 | 31597665 |
20 | 199056275 |
21 | 1767268871 |
[1,1,1,1,1,1,5,17,43,65,175,507,1901,7015,35249, 143079,849399,4342589,31597665,199056275, 1767268871] |