n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 45 |
3 | 378 |
4 | 3321 |
5 | 29646 |
6 | 266085 |
7 | 2392578 |
8 | 21526641 |
9 | 193720086 |
10 | 1743421725 |
11 | 15690618378 |
12 | 141215033961 |
13 | 1270933711326 |
14 | 11438398618965 |
15 | 102945573221778 |
16 | 926510115949281 |
17 | 8338590914403366 |
18 | 75047317842209805 |
19 | 675425859417626778 |
[1,6,45,378,3321,29646,266085,2392578,21526641, 193720086,1743421725,15690618378,141215033961, 1270933711326,11438398618965,102945573221778, 926510115949281,8338590914403366, 75047317842209805,675425859417626778] |