n | a(n) |
---|---|
-1 | 1 |
0 | 8 |
1 | 7 |
2 | 9 |
3 | 13 |
4 | 17 |
5 | 37 |
6 | 86 |
7 | 157 |
8 | 326 |
9 | 941 |
10 | 2811 |
11 | 11878 |
12 | 56054 |
13 | 56053 |
14 | 232966 |
15 | 465926 |
16 | 6988755 |
17 | 25159587 |
18 | 75478749 |
19 | 880585235 |
20 | 2641755693 |
21 | 15850471389 |
[1,8,7,9,13,17,37,86,157,326,941,2811,11878,56054, 56053,232966,465926,6988755,25159587,75478749, 880585235,2641755693,15850471389] |