Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 25 |
4 | 195 |
5 | 1521 |
6 | 16713 |
7 | 179425 |
8 | 2432139 |
9 | 33902149 |
10 | 546239793 |
11 | 9158893173 |
12 | 173742256251 |
13 | 3402217292137 |
14 | 73413011744985 |
15 | 1653326843775193 |
16 | 40118677865954475 |
17 | 1014971456865241197 |
18 | 27429061245764539521 |
19 | 770776923753566642365 |
20 | 22928146838491708702395 |
[1,1,5,25,195,1521,16713,179425,2432139,33902149, 546239793,9158893173,173742256251,3402217292137, 73413011744985,1653326843775193,40118677865954475, 1014971456865241197,27429061245764539521, 770776923753566642365,22928146838491708702395] |