n | a(n) |
---|---|
1 | 0 |
2 | 284 |
3 | 336448 |
4 | 977280084004 |
5 | 73500084000 |
6 | 888748888048888 |
7 | 7777756000008400000 |
8 | 7777977200004004000080080000 |
9 | 777777336000000448000000 |
10 | 777777977200000080080000004004000000 |
11 | 77777773500000000084000000000 |
12 | 888888888748888888888048888888888 |
[0,284,336448,977280084004,73500084000, 888748888048888,7777756000008400000, 7777977200004004000080080000, 777777336000000448000000, 777777977200000080080000004004000000, 77777773500000000084000000000, 888888888748888888888048888888888] |