Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 68 |
4 | 640 |
5 | 8372 |
6 | 147820 |
7 | 3321908 |
8 | 90184300 |
9 | 2857153892 |
10 | 104146026820 |
11 | 4363900557128 |
12 | 209763325978480 |
13 | 11462371025215112 |
14 | 702793156696129600 |
15 | 47649412958404240688 |
16 | 3521160558576929028400 |
17 | 280427910532671712997732 |
18 | 23932837097476310995036900 |
[1,2,10,68,640,8372,147820,3321908,90184300, 2857153892,104146026820,4363900557128, 209763325978480,11462371025215112, 702793156696129600,47649412958404240688, 3521160558576929028400,280427910532671712997732, 23932837097476310995036900] |