n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 16 |
3 | 59 |
4 | 244 |
5 | 1112 |
6 | 5516 |
7 | 29505 |
8 | 168938 |
9 | 1029271 |
10 | 6639768 |
11 | 45162696 |
12 | 322739878 |
13 | 2415567889 |
14 | 18884022724 |
15 | 153826198419 |
16 | 1302844673004 |
17 | 11451006297332 |
18 | 104262283711688 |
19 | 981877752182053 |
20 | 9550121928456718 |
21 | 95809651792320751 |
22 | 990221394289370920 |
[2,5,16,59,244,1112,5516,29505,168938,1029271, 6639768,45162696,322739878,2415567889,18884022724, 153826198419,1302844673004,11451006297332, 104262283711688,981877752182053,9550121928456718, 95809651792320751,990221394289370920] |