Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 11 |
6 | 26 |
7 | 65 |
8 | 163 |
9 | 417 |
10 | 1086 |
11 | 2858 |
12 | 7599 |
13 | 20391 |
14 | 55127 |
15 | 150028 |
16 | 410719 |
17 | 1130245 |
18 | 3124770 |
19 | 8675210 |
20 | 24175809 |
21 | 67603633 |
22 | 189633981 |
23 | 533463183 |
24 | 1504644945 |
25 | 4254179693 |
26 | 12055097308 |
27 | 34231674486 |
28 | 97392368007 |
29 | 277590288931 |
30 | 792528581088 |
[0,1,1,2,5,11,26,65,163,417,1086,2858,7599,20391, 55127,150028,410719,1130245,3124770,8675210, 24175809,67603633,189633981,533463183,1504644945, 4254179693,12055097308,34231674486,97392368007, 277590288931,792528581088] |