Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 21 |
6 | 61 |
7 | 174 |
8 | 529 |
9 | 1641 |
10 | 5095 |
11 | 16033 |
12 | 53457 |
13 | 179040 |
14 | 611600 |
15 | 2114005 |
16 | 7286191 |
17 | 25434141 |
18 | 90624740 |
19 | 324820786 |
20 | 1175997883 |
21 | 4277780903 |
22 | 15565099278 |
23 | 57172451188 |
24 | 211915699815 |
25 | 789384452140 |
26 | 2957220530771 |
27 | 11099880354961 |
28 | 41758569166532 |
29 | 158093763382620 |
30 | 601507196523586 |
31 | 2297362832884187 |
[1,1,2,4,9,21,61,174,529,1641,5095,16033,53457, 179040,611600,2114005,7286191,25434141,90624740, 324820786,1175997883,4277780903,15565099278, 57172451188,211915699815,789384452140, 2957220530771,11099880354961,41758569166532, 158093763382620,601507196523586,2297362832884187] |