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 | 3 |
4 | 8 |
5 | 23 |
6 | 62 |
7 | 181 |
8 | 513 |
9 | 1513 |
10 | 4476 |
11 | 13483 |
12 | 40933 |
13 | 125845 |
14 | 389769 |
15 | 1217590 |
16 | 3828775 |
17 | 12115966 |
18 | 38546124 |
19 | 123238296 |
20 | 395725493 |
21 | 1275733730 |
22 | 4127339091 |
23 | 13396443708 |
24 | 43610621823 |
25 | 142354979662 |
26 | 465838195260 |
27 | 1527905193504 |
28 | 5022061115901 |
29 | 16539625666670 |
30 | 54571760414658 |
[0,1,1,3,8,23,62,181,513,1513,4476,13483,40933, 125845,389769,1217590,3828775,12115966,38546124, 123238296,395725493,1275733730,4127339091, 13396443708,43610621823,142354979662,465838195260, 1527905193504,5022061115901,16539625666670, 54571760414658] |