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 | 22 |
4 | 117 |
5 | 654 |
6 | 3843 |
7 | 22882 |
8 | 137443 |
9 | 827998 |
10 | 4995443 |
11 | 30155494 |
12 | 182083275 |
13 | 1099560942 |
14 | 6640309323 |
15 | 40101959542 |
16 | 242184540139 |
17 | 1462610652718 |
18 | 8833070227499 |
19 | 53345145429670 |
20 | 322164911643723 |
21 | 1945636121710110 |
[1,1,5,22,117,654,3843,22882,137443,827998, 4995443,30155494,182083275,1099560942,6640309323, 40101959542,242184540139,1462610652718, 8833070227499,53345145429670,322164911643723, 1945636121710110] |