Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 7 |
4 | 17 |
5 | 31 |
6 | 80 |
7 | 152 |
8 | 404 |
9 | 790 |
10 | 2140 |
11 | 4271 |
12 | 11729 |
13 | 23767 |
14 | 65952 |
15 | 135221 |
16 | 378321 |
17 | 782968 |
18 | 2205168 |
19 | 4598804 |
20 | 13023324 |
21 | 27332956 |
22 | 77761008 |
[1,2,4,7,17,31,80,152,404,790,2140,4271,11729, 23767,65952,135221,378321,782968,2205168,4598804, 13023324,27332956,77761008] |