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 | 13 |
9 | 31 |
10 | 123 |
11 | 397 |
12 | 1299 |
13 | 7415 |
14 | 48549 |
15 | 328016 |
16 | 2805259 |
17 | 26286523 |
18 | 261135019 |
19 | 3222276941 |
20 | 47592701035 |
21 | 811402107260 |
22 | 16468821744235 |
23 | 385847309545373 |
[1,1,1,1,1,1,5,13,31,123,397,1299,7415,48549, 328016,2805259,26286523,261135019,3222276941, 47592701035,811402107260,16468821744235, 385847309545373] |