n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 21 |
5 | 66 |
6 | 258 |
7 | 1079 |
8 | 4987 |
9 | 25195 |
10 | 136723 |
11 | 789438 |
12 | 4863268 |
13 | 31693715 |
14 | 217331845 |
15 | 1564583770 |
16 | 11795630861 |
17 | 92833623206 |
18 | 760811482322 |
19 | 6479991883525 |
20 | 57256139503047 |
21 | 523919025038279 |
22 | 4956976879724565 |
23 | 48424420955966635 |
24 | 487810283307069696 |
[1,3,7,21,66,258,1079,4987,25195,136723,789438, 4863268,31693715,217331845,1564583770,11795630861, 92833623206,760811482322,6479991883525, 57256139503047,523919025038279,4956976879724565, 48424420955966635,487810283307069696] |