n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 11 |
6 | 24 |
7 | 52 |
8 | 125 |
9 | 307 |
10 | 809 |
11 | 2190 |
12 | 6249 |
13 | 18348 |
14 | 56016 |
15 | 176272 |
16 | 571113 |
17 | 1906091 |
18 | 6517283 |
19 | 22879944 |
20 | 82144248 |
21 | 301617448 |
22 | 1131401427 |
23 | 4327790902 |
24 | 16886037207 |
25 | 67073179408 |
26 | 271242546501 |
27 | 1115489848809 |
28 | 4662462489619 |
[1,1,2,3,6,11,24,52,125,307,809,2190,6249,18348, 56016,176272,571113,1906091,6517283,22879944, 82144248,301617448,1131401427,4327790902, 16886037207,67073179408,271242546501, 1115489848809,4662462489619] |