Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 30 |
3 | 146 |
4 | 698 |
5 | 3358 |
6 | 16342 |
7 | 80298 |
8 | 397170 |
9 | 1972790 |
10 | 9824654 |
11 | 49005250 |
12 | 244672042 |
13 | 1222297422 |
14 | 6108298566 |
15 | 30531927002 |
16 | 152630937314 |
17 | 763068593254 |
18 | 3815084686078 |
19 | 19074648589554 |
20 | 95370918424986 |
21 | 476847618556286 |
[2,6,30,146,698,3358,16342,80298,397170,1972790, 9824654,49005250,244672042,1222297422,6108298566, 30531927002,152630937314,763068593254, 3815084686078,19074648589554,95370918424986, 476847618556286] |