n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 54 |
3 | 578 |
4 | 6810 |
5 | 85278 |
6 | 1113854 |
7 | 15004746 |
8 | 206955378 |
9 | 2908113974 |
10 | 41484917958 |
11 | 599202514578 |
12 | 8745727050762 |
13 | 128790559374030 |
14 | 1911191826600462 |
15 | 28551332345784730 |
16 | 429040549473424866 |
17 | 6480799118506040934 |
18 | 98349636147075506006 |
19 | 1498732955394826784226 |
[1,6,54,578,6810,85278,1113854,15004746,206955378, 2908113974,41484917958,599202514578,8745727050762, 128790559374030,1911191826600462, 28551332345784730,429040549473424866, 6480799118506040934,98349636147075506006, 1498732955394826784226] |