Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 14 |
3 | 84 |
4 | 444 |
5 | 2928 |
6 | 18214 |
7 | 125428 |
8 | 844534 |
9 | 5989816 |
10 | 42186878 |
11 | 305757288 |
12 | 2215509018 |
13 | 16326672796 |
14 | 120612763510 |
15 | 900561207232 |
16 | 6746557569136 |
17 | 50906726784700 |
18 | 385432963013140 |
19 | 2933390906035044 |
20 | 22395805754363208 |
21 | 171660252748284852 |
22 | 1319474586701337644 |
[1,4,14,84,444,2928,18214,125428,844534,5989816, 42186878,305757288,2215509018,16326672796, 120612763510,900561207232,6746557569136, 50906726784700,385432963013140,2933390906035044, 22395805754363208,171660252748284852, 1319474586701337644] |