Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 9 |
2 | 26 |
3 | 75 |
4 | 217 |
5 | 629 |
6 | 1826 |
7 | 5307 |
8 | 15438 |
9 | 44941 |
10 | 130900 |
11 | 381444 |
12 | 1111926 |
13 | 3242224 |
14 | 9455987 |
15 | 27583372 |
16 | 80472698 |
17 | 234799873 |
18 | 685149328 |
19 | 1999414181 |
20 | 5835044495 |
21 | 17029601028 |
22 | 49702671494 |
23 | 145066398937 |
24 | 423412132499 |
25 | 1235854038791 |
26 | 3607255734629 |
27 | 10529101874491 |
[9,26,75,217,629,1826,5307,15438,44941,130900, 381444,1111926,3242224,9455987,27583372,80472698, 234799873,685149328,1999414181,5835044495, 17029601028,49702671494,145066398937,423412132499, 1235854038791,3607255734629,10529101874491] |