Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 22 |
3 | 142 |
4 | 1007 |
5 | 7590 |
6 | 59683 |
7 | 484112 |
8 | 4021061 |
9 | 34029532 |
10 | 292373296 |
11 | 2543542676 |
12 | 22360917140 |
13 | 198341377680 |
14 | 1772860026933 |
15 | 15952960500612 |
16 | 144397901220980 |
17 | 1313835276189792 |
18 | 12009823111155481 |
19 | 110240431974732436 |
20 | 1015727265740887873 |
[1,4,22,142,1007,7590,59683,484112,4021061, 34029532,292373296,2543542676,22360917140, 198341377680,1772860026933,15952960500612, 144397901220980,1313835276189792, 12009823111155481,110240431974732436, 1015727265740887873] |