n | a(n) |
---|---|
0 | -1 |
1 | 8 |
2 | 28 |
3 | 172 |
4 | 1231 |
5 | 9588 |
6 | 78543 |
7 | 665140 |
8 | 5768004 |
9 | 50917519 |
10 | 455743004 |
11 | 4124599869 |
12 | 37668527415 |
13 | 346621096885 |
14 | 3210012022164 |
15 | 29890794226982 |
16 | 279660033612131 |
17 | 2627410589445923 |
18 | 24775244142175635 |
19 | 234381646366460804 |
[-1,8,28,172,1231,9588,78543,665140,5768004, 50917519,455743004,4124599869,37668527415, 346621096885,3210012022164,29890794226982, 279660033612131,2627410589445923, 24775244142175635,234381646366460804] |