Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 25 |
3 | 124 |
4 | 836 |
5 | 5227 |
6 | 33263 |
7 | 210954 |
8 | 1338995 |
9 | 8497693 |
10 | 53931843 |
11 | 342283175 |
12 | 2172337312 |
13 | 13786969248 |
14 | 87500479337 |
15 | 555331175880 |
16 | 3524468904668 |
17 | 22368420155320 |
18 | 141963579269696 |
19 | 900987092575923 |
20 | 5718211285108957 |
[1,25,124,836,5227,33263,210954,1338995,8497693, 53931843,342283175,2172337312,13786969248, 87500479337,555331175880,3524468904668, 22368420155320,141963579269696,900987092575923, 5718211285108957] |