Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 10 |
6 | 23 |
7 | 54 |
8 | 131 |
9 | 318 |
10 | 781 |
11 | 1937 |
12 | 4841 |
13 | 12175 |
14 | 30791 |
15 | 78254 |
16 | 199721 |
17 | 511640 |
18 | 1315064 |
19 | 3390147 |
20 | 8762929 |
21 | 22705350 |
22 | 58960248 |
23 | 153411988 |
24 | 399903630 |
25 | 1044199306 |
26 | 2730780816 |
27 | 7151800337 |
28 | 18755305334 |
29 | 49246220422 |
30 | 129456991053 |
31 | 340682085365 |
[1,1,2,4,10,23,54,131,318,781,1937,4841,12175, 30791,78254,199721,511640,1315064,3390147,8762929, 22705350,58960248,153411988,399903630,1044199306, 2730780816,7151800337,18755305334,49246220422, 129456991053,340682085365] |