n | a(n) |
---|---|
1 | 1 |
2 | 40 |
3 | 1197 |
4 | 18592 |
5 | 166885 |
6 | 1019880 |
7 | 4738153 |
8 | 17962624 |
9 | 58248153 |
10 | 166920040 |
11 | 432738229 |
12 | 1032709536 |
13 | 2298857821 |
14 | 4822806184 |
15 | 9613704465 |
16 | 18329410048 |
17 | 33605960689 |
18 | 59516325288 |
19 | 102196242685 |
20 | 170682720160 |
21 | 278019522837 |
[1,40,1197,18592,166885,1019880,4738153,17962624, 58248153,166920040,432738229,1032709536, 2298857821,4822806184,9613704465,18329410048, 33605960689,59516325288,102196242685,170682720160, 278019522837] |