Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 3 |
4 | 21 |
5 | 86 |
6 | 410 |
7 | 1874 |
8 | 8840 |
9 | 41755 |
10 | 197883 |
11 | 936625 |
12 | 4434387 |
13 | 20996674 |
14 | 99434998 |
15 | 470911050 |
16 | 2230166446 |
17 | 10561720749 |
18 | 50018822099 |
19 | 236882697591 |
20 | 1121846953883 |
21 | 5312927519916 |
22 | 25161362888858 |
23 | 119161085234850 |
24 | 564332106834338 |
[0,3,3,21,86,410,1874,8840,41755,197883,936625, 4434387,20996674,99434998,470911050,2230166446, 10561720749,50018822099,236882697591, 1121846953883,5312927519916,25161362888858, 119161085234850,564332106834338] |