Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 9 |
2 | 81 |
3 | 221 |
4 | 663 |
5 | 2245 |
6 | 6459 |
7 | 17563 |
8 | 48649 |
9 | 131269 |
10 | 344873 |
11 | 902075 |
12 | 2342619 |
13 | 6021103 |
14 | 15395621 |
15 | 39219821 |
16 | 99470227 |
17 | 251449497 |
18 | 634148313 |
19 | 1595707571 |
20 | 4007571389 |
21 | 10049914241 |
22 | 25169768531 |
23 | 62965428327 |
24 | 157368593823 |
25 | 392995561393 |
[9,81,221,663,2245,6459,17563,48649,131269,344873, 902075,2342619,6021103,15395621,39219821,99470227, 251449497,634148313,1595707571,4007571389, 10049914241,25169768531,62965428327,157368593823, 392995561393] |