Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 12 |
3 | 41 |
4 | 156 |
5 | 624 |
6 | 2604 |
7 | 11160 |
8 | 48828 |
9 | 217013 |
10 | 976562 |
11 | 4438920 |
12 | 20345052 |
13 | 93900240 |
14 | 435965401 |
15 | 2034505208 |
16 | 9536743164 |
17 | 44878791360 |
18 | 211927625868 |
19 | 1003867701480 |
20 | 4768371582031 |
21 | 22706531343005 |
22 | 108372081409801 |
23 | 518301258916440 |
24 | 2483526865641276 |
[4,12,41,156,624,2604,11160,48828,217013,976562, 4438920,20345052,93900240,435965401,2034505208, 9536743164,44878791360,211927625868,1003867701480, 4768371582031,22706531343005,108372081409801, 518301258916440,2483526865641276] |