Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 25 |
5 | 84 |
6 | 312 |
7 | 1199 |
8 | 4637 |
9 | 17906 |
10 | 68976 |
11 | 265249 |
12 | 1019069 |
13 | 3913484 |
14 | 15026092 |
15 | 57690143 |
16 | 221487945 |
17 | 850350482 |
18 | 3264725772 |
19 | 12534190569 |
20 | 48122302705 |
21 | 184755243892 |
22 | 709328262928 |
23 | 2723314511871 |
24 | 10455585321989 |
25 | 40141990468066 |
[1,2,4,9,25,84,312,1199,4637,17906,68976,265249, 1019069,3913484,15026092,57690143,221487945, 850350482,3264725772,12534190569,48122302705, 184755243892,709328262928,2723314511871, 10455585321989,40141990468066] |