n | a(n) |
---|---|
1 | 1 |
2 | 21 |
3 | 321 |
4 | 4321 |
5 | 54321 |
6 | 654321 |
7 | 7654321 |
8 | 87654321 |
9 | 987654321 |
10 | 1987654321 |
11 | 1101987654321 |
12 | 211101987654321 |
13 | 31211101987654321 |
14 | 4131211101987654321 |
15 | 514131211101987654321 |
16 | 61514131211101987654321 |
17 | 7161514131211101987654321 |
[1,21,321,4321,54321,654321,7654321,87654321, 987654321,1987654321,1101987654321, 211101987654321,31211101987654321, 4131211101987654321,514131211101987654321, 61514131211101987654321,7161514131211101987654321] |