Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 19 |
4 | 80 |
5 | 401 |
6 | 2412 |
7 | 16885 |
8 | 135088 |
9 | 1215793 |
10 | 12157940 |
11 | 133737341 |
12 | 1604848104 |
13 | 20863025353 |
14 | 292082354956 |
15 | 4381235324341 |
16 | 70099765189472 |
17 | 1191696008221025 |
18 | 21450528147978468 |
19 | 407560034811590893 |
20 | 8151200696231817880 |
21 | 171175214620868175481 |
[1,2,6,19,80,401,2412,16885,135088,1215793, 12157940,133737341,1604848104,20863025353, 292082354956,4381235324341,70099765189472, 1191696008221025,21450528147978468, 407560034811590893,8151200696231817880, 171175214620868175481] |