Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 25 |
3 | 115 |
4 | 525 |
5 | 2405 |
6 | 11025 |
7 | 50525 |
8 | 231525 |
9 | 1060979 |
10 | 4862065 |
11 | 22280875 |
12 | 102104045 |
13 | 467901065 |
14 | 2144199765 |
15 | 9825991725 |
16 | 45028504525 |
17 | 206347239279 |
18 | 945605099381 |
19 | 4333321849875 |
20 | 19857843661645 |
21 | 91000384646845 |
22 | 417017585036185 |
23 | 1911021221349165 |
[1,5,25,115,525,2405,11025,50525,231525,1060979, 4862065,22280875,102104045,467901065,2144199765, 9825991725,45028504525,206347239279,945605099381, 4333321849875,19857843661645,91000384646845, 417017585036185,1911021221349165] |