n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 54 |
4 | 352 |
5 | 2276 |
6 | 14688 |
7 | 94744 |
8 | 611072 |
9 | 3941136 |
10 | 25418368 |
11 | 163935584 |
12 | 1057300992 |
13 | 6819052096 |
14 | 43979406848 |
15 | 283644733824 |
16 | 1829363802112 |
17 | 11798463078656 |
18 | 76094066608128 |
19 | 490767902078464 |
20 | 3165202550546432 |
[1,8,54,352,2276,14688,94744,611072,3941136, 25418368,163935584,1057300992,6819052096, 43979406848,283644733824,1829363802112, 11798463078656,76094066608128,490767902078464, 3165202550546432] |