Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 23 |
4 | 113 |
5 | 568 |
6 | 2905 |
7 | 15040 |
8 | 78581 |
9 | 413496 |
10 | 2188204 |
11 | 11633666 |
12 | 62089785 |
13 | 332459890 |
14 | 1785132500 |
15 | 9608402738 |
16 | 51826221461 |
17 | 280063787170 |
18 | 1515943655628 |
19 | 8217729019538 |
20 | 44606550971500 |
21 | 242419877520384 |
22 | 1318902900434870 |
[1,1,5,23,113,568,2905,15040,78581,413496,2188204, 11633666,62089785,332459890,1785132500,9608402738, 51826221461,280063787170,1515943655628, 8217729019538,44606550971500,242419877520384, 1318902900434870] |