n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 18 |
3 | 162 |
4 | 1728 |
5 | 20169 |
6 | 249318 |
7 | 3207600 |
8 | 42500700 |
9 | 576012060 |
10 | 7947785448 |
11 | 111269613006 |
12 | 1576658688480 |
13 | 22568473199358 |
14 | 325855352769588 |
15 | 4740157737123696 |
16 | 69405108247439676 |
17 | 1022070746845708740 |
18 | 15127922880893671704 |
19 | 224931239520535651464 |
[1,3,18,162,1728,20169,249318,3207600,42500700, 576012060,7947785448,111269613006,1576658688480, 22568473199358,325855352769588,4740157737123696, 69405108247439676,1022070746845708740, 15127922880893671704,224931239520535651464] |