Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 2 |
5 | 3 |
6 | 13 |
7 | 33 |
8 | 113 |
9 | 433 |
10 | 2358 |
11 | 8535 |
12 | 28389 |
13 | 112039 |
14 | 427748 |
15 | 1769874 |
16 | 6610091 |
17 | 24128241 |
18 | 90190764 |
19 | 331582813 |
20 | 1222929244 |
21 | 4421062767 |
22 | 15812600521 |
23 | 56305580500 |
24 | 198730488338 |
25 | 696900040653 |
26 | 2421645299793 |
27 | 8352195108762 |
[1,1,2,2,3,13,33,113,433,2358,8535,28389,112039, 427748,1769874,6610091,24128241,90190764, 331582813,1222929244,4421062767,15812600521, 56305580500,198730488338,696900040653, 2421645299793,8352195108762] |