Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 11 |
3 | 31 |
4 | 90 |
5 | 254 |
6 | 728 |
7 | 2078 |
8 | 5931 |
9 | 16941 |
10 | 48360 |
11 | 138093 |
12 | 394288 |
13 | 1125795 |
14 | 3214477 |
15 | 9178177 |
16 | 26206271 |
17 | 74826094 |
18 | 213649101 |
19 | 610027119 |
20 | 1741795342 |
21 | 4973305753 |
22 | 14200157940 |
23 | 40545363081 |
24 | 115768182159 |
25 | 330550053876 |
26 | 943811471644 |
[4,11,31,90,254,728,2078,5931,16941,48360,138093, 394288,1125795,3214477,9178177,26206271,74826094, 213649101,610027119,1741795342,4973305753, 14200157940,40545363081,115768182159,330550053876, 943811471644] |