Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 21 |
4 | 75 |
5 | 111 |
6 | 527 |
7 | 1275 |
8 | 3643 |
9 | 10245 |
10 | 30215 |
11 | 82859 |
12 | 239133 |
13 | 688547 |
14 | 1986411 |
15 | 5743067 |
16 | 16751055 |
17 | 48750751 |
18 | 142319063 |
19 | 416145857 |
20 | 1218638091 |
21 | 3571823395 |
22 | 10485601869 |
23 | 30812312143 |
24 | 90634015523 |
25 | 266849118935 |
26 | 786358091871 |
[1,5,21,75,111,527,1275,3643,10245,30215,82859, 239133,688547,1986411,5743067,16751055,48750751, 142319063,416145857,1218638091,3571823395, 10485601869,30812312143,90634015523,266849118935, 786358091871] |