Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 46 |
5 | 213 |
6 | 1075 |
7 | 5854 |
8 | 34141 |
9 | 211974 |
10 | 1394115 |
11 | 9670976 |
12 | 70501776 |
13 | 538393812 |
14 | 4294921858 |
15 | 35702077464 |
16 | 308575560999 |
17 | 2767618399029 |
18 | 25713383197122 |
19 | 247072773486828 |
20 | 2451716229465559 |
21 | 25090920235275889 |
[1,1,3,11,46,213,1075,5854,34141,211974,1394115, 9670976,70501776,538393812,4294921858,35702077464, 308575560999,2767618399029,25713383197122, 247072773486828,2451716229465559, 25090920235275889] |