Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 3 |
2 | 5 |
3 | 9 |
4 | 21 |
5 | 49 |
6 | 122 |
7 | 313 |
8 | 821 |
9 | 2187 |
10 | 5905 |
11 | 16105 |
12 | 44287 |
13 | 122641 |
14 | 341641 |
15 | 956594 |
16 | 2690421 |
17 | 7596481 |
18 | 21523361 |
19 | 61171657 |
20 | 174339221 |
21 | 498112058 |
22 | 1426411801 |
23 | 4093181689 |
24 | 11767897354 |
25 | 33891544378 |
26 | 97764070321 |
27 | 282429536481 |
[3,5,9,21,49,122,313,821,2187,5905,16105,44287, 122641,341641,956594,2690421,7596481,21523361, 61171657,174339221,498112058,1426411801, 4093181689,11767897354,33891544378,97764070321, 282429536481] |