Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 18 |
3 | 108 |
4 | 702 |
5 | 4698 |
6 | 32913 |
7 | 236844 |
8 | 1747170 |
9 | 13131639 |
10 | 100239444 |
11 | 774932832 |
12 | 6055105590 |
13 | 47742847875 |
14 | 379381851684 |
15 | 3035174325246 |
16 | 24426965179593 |
17 | 197622494260479 |
18 | 1606332527049645 |
19 | 13111628672610153 |
20 | 107428845309125157 |
[1,3,18,108,702,4698,32913,236844,1747170, 13131639,100239444,774932832,6055105590, 47742847875,379381851684,3035174325246, 24426965179593,197622494260479,1606332527049645, 13111628672610153,107428845309125157] |