n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 66 |
3 | 786 |
4 | 9426 |
5 | 113106 |
6 | 1357266 |
7 | 16287186 |
8 | 195446226 |
9 | 2345354706 |
10 | 28144256466 |
11 | 337731077586 |
12 | 4052772931026 |
13 | 48633275172306 |
14 | 583599302067666 |
15 | 7003191624811986 |
16 | 84038299497743826 |
17 | 1008459593972925906 |
18 | 12101515127675110866 |
[1,6,66,786,9426,113106,1357266,16287186, 195446226,2345354706,28144256466,337731077586, 4052772931026,48633275172306,583599302067666, 7003191624811986,84038299497743826, 1008459593972925906,12101515127675110866] |