Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 13 |
4 | 39 |
5 | 159 |
6 | 657 |
7 | 3192 |
8 | 16935 |
9 | 98296 |
10 | 631531 |
11 | 4320963 |
12 | 32517883 |
13 | 257323288 |
14 | 2216360166 |
15 | 19945970812 |
16 | 193524780624 |
17 | 1952830925615 |
18 | 21070751003175 |
19 | 235689971665480 |
20 | 2800003524200187 |
21 | 34386283795145455 |
22 | 445955787460382981 |
[1,2,4,13,39,159,657,3192,16935,98296,631531, 4320963,32517883,257323288,2216360166,19945970812, 193524780624,1952830925615,21070751003175, 235689971665480,2800003524200187, 34386283795145455,445955787460382981] |