n | a(n) |
---|---|
1 | 0 |
2 | 68 |
3 | 3408 |
4 | 10204080 |
5 | 77792888 |
6 | 888080444040 |
7 | 55505008880800 |
8 | 9990900088808000 |
9 | 666663636888884848 |
10 | 222220022044444004408888800880 |
11 | 7777700770044444004400 |
12 | 999999999936 |
13 | 55555505555004444440444400 |
14 | 9999999999190044444444448400 |
15 | 666666666606660444444444404440 |
[0,68,3408,10204080,77792888,888080444040, 55505008880800,9990900088808000, 666663636888884848,222220022044444004408888800880, 7777700770044444004400,999999999936, 55555505555004444440444400, 9999999999190044444444448400, 666666666606660444444444404440] |