Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 21 |
3 | 99 |
4 | 375 |
5 | 1137 |
6 | 3267 |
7 | 8595 |
8 | 21891 |
9 | 52965 |
10 | 120087 |
11 | 267843 |
12 | 572145 |
13 | 1194483 |
14 | 2476743 |
15 | 5037825 |
16 | 9980691 |
[0,3,21,99,375,1137,3267,8595,21891,52965,120087, 267843,572145,1194483,2476743,5037825,9980691] |