n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 9 |
6 | 36 |
7 | 176 |
8 | 1030 |
9 | 7039 |
10 | 55098 |
11 | 486346 |
12 | 4780445 |
13 | 51787405 |
14 | 613045468 |
15 | 7873065045 |
16 | 109021348618 |
17 | 1619197654575 |
18 | 25675094145535 |
19 | 432908683794379 |
20 | 7733991639921585 |
21 | 145933532935469016 |
22 | 2900112108790279902 |
23 | 60543749629794205640 |
24 | 1324677739541613767983 |
[1,0,1,1,3,9,36,176,1030,7039,55098,486346, 4780445,51787405,613045468,7873065045, 109021348618,1619197654575,25675094145535, 432908683794379,7733991639921585, 145933532935469016,2900112108790279902, 60543749629794205640,1324677739541613767983] |