Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 14 |
4 | 35 |
5 | 90 |
6 | 225 |
7 | 569 |
8 | 1441 |
9 | 3640 |
10 | 9208 |
11 | 23293 |
12 | 58912 |
13 | 149023 |
14 | 376961 |
15 | 953533 |
16 | 2412030 |
17 | 6101388 |
18 | 15433867 |
19 | 39041066 |
20 | 98757133 |
21 | 249813189 |
22 | 631920345 |
23 | 1598487728 |
24 | 4043489236 |
25 | 10228295949 |
26 | 25873208028 |
27 | 65448135355 |
28 | 165555752805 |
[2,6,14,35,90,225,569,1441,3640,9208,23293,58912, 149023,376961,953533,2412030,6101388,15433867, 39041066,98757133,249813189,631920345,1598487728, 4043489236,10228295949,25873208028,65448135355, 165555752805] |