n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 36 |
4 | 216 |
5 | 961 |
6 | 5977 |
7 | 39363 |
8 | 271564 |
9 | 1949165 |
10 | 14487241 |
11 | 111115804 |
12 | 877086405 |
13 | 7109569724 |
14 | 59075905996 |
15 | 502464618671 |
16 | 4369068613929 |
17 | 38796820526316 |
18 | 351496911119002 |
19 | 3246426019892427 |
20 | 30543990287835441 |
[1,1,6,36,216,961,5977,39363,271564,1949165, 14487241,111115804,877086405,7109569724, 59075905996,502464618671,4369068613929, 38796820526316,351496911119002,3246426019892427, 30543990287835441] |