Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 106 |
6 | 470 |
7 | 2038 |
8 | 8624 |
9 | 35754 |
10 | 145902 |
11 | 588358 |
12 | 2351910 |
13 | 9341814 |
14 | 36936146 |
15 | 145567966 |
16 | 572415344 |
17 | 2247578314 |
18 | 8816986046 |
19 | 34570684966 |
20 | 135522530174 |
21 | 531285354214 |
22 | 2083180354466 |
23 | 8170672802686 |
24 | 32059325714054 |
25 | 125845764142006 |
26 | 494223989283650 |
[1,1,2,6,24,106,470,2038,8624,35754,145902,588358, 2351910,9341814,36936146,145567966,572415344, 2247578314,8816986046,34570684966,135522530174, 531285354214,2083180354466,8170672802686, 32059325714054,125845764142006,494223989283650] |