n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 10 |
3 | 108 |
4 | 2166 |
5 | 4567 |
6 | 38181 |
7 | 155830 |
8 | 1802916 |
9 | 24862120 |
10 | 266983762 |
11 | 1961835256 |
12 | 5916488742 |
13 | 19757775943 |
14 | 116646786350 |
15 | 9611769806236 |
16 | 42844700375837 |
17 | 275475214363044 |
18 | 6789129606004840 |
19 | 75182500718243698 |
[0,3,10,108,2166,4567,38181,155830,1802916, 24862120,266983762,1961835256,5916488742, 19757775943,116646786350,9611769806236, 42844700375837,275475214363044,6789129606004840, 75182500718243698] |