n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 8 |
3 | 49 |
4 | 272 |
5 | 1441 |
6 | 7448 |
7 | 37969 |
8 | 192032 |
9 | 966721 |
10 | 4853288 |
11 | 24325489 |
12 | 121804592 |
13 | 609554401 |
14 | 3049366328 |
15 | 15251614609 |
16 | 76272421952 |
17 | 381405156481 |
18 | 1907154922568 |
19 | 9536162033329 |
20 | 47681972428112 |
21 | 238413348924961 |
22 | 1192077204978008 |
23 | 5960417405949649 |
24 | 29802181172927072 |
[0,1,8,49,272,1441,7448,37969,192032,966721, 4853288,24325489,121804592,609554401,3049366328, 15251614609,76272421952,381405156481, 1907154922568,9536162033329,47681972428112, 238413348924961,1192077204978008,5960417405949649, 29802181172927072] |