Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 42 |
4 | 270 |
5 | 1785 |
6 | 13657 |
7 | 108606 |
8 | 943677 |
9 | 8534290 |
10 | 82099523 |
11 | 819569205 |
12 | 8575756709 |
13 | 92782439316 |
14 | 1042810799150 |
15 | 12077608219410 |
16 | 144446181373140 |
17 | 1774918640030754 |
18 | 22425992057948620 |
19 | 290381947113460848 |
[1,2,9,42,270,1785,13657,108606,943677,8534290, 82099523,819569205,8575756709,92782439316, 1042810799150,12077608219410,144446181373140, 1774918640030754,22425992057948620, 290381947113460848] |