n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 26 |
3 | 126 |
4 | 626 |
5 | 3126 |
6 | 15626 |
7 | 78126 |
8 | 390626 |
9 | 1953126 |
10 | 9765626 |
11 | 48828126 |
12 | 244140626 |
13 | 1220703126 |
14 | 6103515626 |
15 | 30517578126 |
16 | 152587890626 |
17 | 762939453126 |
18 | 3814697265626 |
19 | 19073486328126 |
20 | 95367431640626 |
21 | 476837158203126 |
[2,6,26,126,626,3126,15626,78126,390626,1953126, 9765626,48828126,244140626,1220703126,6103515626, 30517578126,152587890626,762939453126, 3814697265626,19073486328126,95367431640626, 476837158203126] |