n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 10 |
5 | 26 |
6 | 103 |
7 | 371 |
8 | 1552 |
9 | 6475 |
10 | 28414 |
11 | 126530 |
12 | 577188 |
13 | 2670332 |
14 | 12538434 |
15 | 59554199 |
16 | 285882600 |
17 | 1384875627 |
18 | 6763821250 |
19 | 33276183371 |
20 | 164789380052 |
21 | 820923863918 |
22 | 4111708742153 |
23 | 20695831549310 |
24 | 104642143845428 |
25 | 531295928725508 |
26 | 2707906874407464 |
[1,1,2,3,10,26,103,371,1552,6475,28414,126530, 577188,2670332,12538434,59554199,285882600, 1384875627,6763821250,33276183371,164789380052, 820923863918,4111708742153,20695831549310, 104642143845428,531295928725508,2707906874407464] |