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 | 42 |
5 | 173 |
6 | 746 |
7 | 3321 |
8 | 15155 |
9 | 70516 |
10 | 333282 |
11 | 1595620 |
12 | 7722036 |
13 | 37715028 |
14 | 185661034 |
15 | 920244770 |
16 | 4588778327 |
17 | 23003827327 |
18 | 115867080623 |
19 | 586089365947 |
20 | 2975978506450 |
21 | 15163583668774 |
22 | 77507719810688 |
23 | 397320926569995 |
24 | 2042152353063874 |
[1,1,3,11,42,173,746,3321,15155,70516,333282, 1595620,7722036,37715028,185661034,920244770, 4588778327,23003827327,115867080623,586089365947, 2975978506450,15163583668774,77507719810688, 397320926569995,2042152353063874] |