n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 10 |
3 | 74 |
4 | 238 |
5 | 938 |
6 | 13130 |
7 | 23594 |
8 | 1298462 |
9 | 26637166 |
10 | 201403930 |
11 | 5005052234 |
12 | 135226271914 |
13 | 1315508114654 |
14 | 13747435592810 |
15 | 153590068548062 |
16 | 202980764290906 |
17 | 69141791857625242 |
18 | 2766595825017102650 |
19 | 38897014541363246798 |
20 | 1724835471991750464238 |
21 | 80219728936311383557694 |
[2,2,10,74,238,938,13130,23594,1298462,26637166, 201403930,5005052234,135226271914,1315508114654, 13747435592810,153590068548062,202980764290906, 69141791857625242,2766595825017102650, 38897014541363246798,1724835471991750464238, 80219728936311383557694] |