Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 9 |
5 | 63 |
6 | 168 |
7 | 322 |
8 | 1518 |
9 | 1680 |
10 | 10878 |
11 | 17575 |
12 | 70224 |
13 | 97524 |
14 | 224846 |
15 | 612360 |
16 | 15473807 |
17 | 61011223 |
18 | 108384553 |
19 | 137308589 |
20 | 999208250 |
21 | 1497820158 |
22 | 22377473780 |
23 | 238092971076 |
24 | 316419292600 |
25 | 23931257472314 |
[1,3,7,9,63,168,322,1518,1680,10878,17575,70224, 97524,224846,612360,15473807,61011223,108384553, 137308589,999208250,1497820158,22377473780, 238092971076,316419292600,23931257472314] |