Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 10 |
6 | 21 |
7 | 53 |
8 | 133 |
9 | 327 |
10 | 861 |
11 | 2361 |
12 | 6469 |
13 | 18168 |
14 | 52757 |
15 | 155221 |
16 | 463077 |
17 | 1412656 |
18 | 4379917 |
19 | 13747504 |
20 | 43834213 |
21 | 141866555 |
22 | 464650309 |
23 | 1541008295 |
24 | 5176660997 |
25 | 17586913779 |
26 | 60400627453 |
27 | 209746820056 |
28 | 735953607173 |
29 | 2607716976945 |
30 | 9330605338485 |
[1,1,1,2,5,10,21,53,133,327,861,2361,6469,18168, 52757,155221,463077,1412656,4379917,13747504, 43834213,141866555,464650309,1541008295, 5176660997,17586913779,60400627453,209746820056, 735953607173,2607716976945,9330605338485] |