Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 28 |
4 | 122 |
5 | 565 |
6 | 2735 |
7 | 13682 |
8 | 70188 |
9 | 367248 |
10 | 1952394 |
11 | 10516141 |
12 | 57265929 |
13 | 314751625 |
14 | 1743829163 |
15 | 9728561418 |
16 | 54604800126 |
17 | 308137127382 |
18 | 1747158309208 |
19 | 9949001656704 |
20 | 56872435967840 |
21 | 326243091718978 |
22 | 1877419829207578 |
23 | 10835354636496321 |
[1,2,7,28,122,565,2735,13682,70188,367248,1952394, 10516141,57265929,314751625,1743829163,9728561418, 54604800126,308137127382,1747158309208, 9949001656704,56872435967840,326243091718978, 1877419829207578,10835354636496321] |