Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 31 |
6 | 181 |
7 | 631 |
8 | 1681 |
9 | 60481 |
10 | 687961 |
11 | 4379761 |
12 | 19982161 |
13 | 802740511 |
14 | 13848694861 |
15 | 131732390791 |
16 | 873339798241 |
17 | 38385869907841 |
18 | 894783905472241 |
19 | 11506538747852641 |
20 | 101612306808695521 |
21 | 4824806928717603871 |
22 | 142148609212891008421 |
[1,1,1,1,1,31,181,631,1681,60481,687961,4379761, 19982161,802740511,13848694861,131732390791, 873339798241,38385869907841,894783905472241, 11506538747852641,101612306808695521, 4824806928717603871,142148609212891008421] |