n | a(n) |
---|---|
1 | 6 |
2 | 1 |
3 | 251 |
4 | 3751 |
5 | 68751 |
6 | 718751 |
7 | 9218751 |
8 | 24218751 |
9 | 74218751 |
10 | 8574218751 |
11 | 13574218751 |
12 | 663574218751 |
13 | 5163574218751 |
14 | 30163574218751 |
15 | 980163574218751 |
16 | 2480163574218751 |
17 | 37480163574218751 |
18 | 987480163574218751 |
19 | 487480163574218751 |
20 | 65487480163574218751 |
[6,1,251,3751,68751,718751,9218751,24218751, 74218751,8574218751,13574218751,663574218751, 5163574218751,30163574218751,980163574218751, 2480163574218751,37480163574218751, 987480163574218751,487480163574218751, 65487480163574218751] |