n | a(n) |
---|---|
0 | 8 |
1 | 57 |
2 | 406 |
3 | 2891 |
4 | 20585 |
5 | 146572 |
6 | 1043641 |
7 | 7431068 |
8 | 52911654 |
9 | 376748420 |
10 | 2682572954 |
11 | 19100803803 |
12 | 136004020087 |
13 | 968393459804 |
14 | 6895280686492 |
15 | 49096671672207 |
16 | 349584488128334 |
17 | 2489156803863966 |
18 | 17723617050044085 |
19 | 126197996385357735 |
20 | 898571338272012057 |
[8,57,406,2891,20585,146572,1043641,7431068, 52911654,376748420,2682572954,19100803803, 136004020087,968393459804,6895280686492, 49096671672207,349584488128334,2489156803863966, 17723617050044085,126197996385357735, 898571338272012057] |