n | a(n) |
---|---|
1 | 1 |
2 | 21 |
3 | 213 |
4 | 4213 |
5 | 42135 |
6 | 642135 |
7 | 6421357 |
8 | 86421357 |
9 | 864213579 |
10 | 10864213579 |
11 | 1086421357911 |
12 | 121086421357911 |
13 | 12108642135791113 |
14 | 1412108642135791113 |
15 | 141210864213579111315 |
16 | 16141210864213579111315 |
17 | 1614121086421357911131517 |
18 | 181614121086421357911131517 |
19 | 18161412108642135791113151719 |
[1,21,213,4213,42135,642135,6421357,86421357, 864213579,10864213579,1086421357911, 121086421357911,12108642135791113, 1412108642135791113,141210864213579111315, 16141210864213579111315,1614121086421357911131517, 181614121086421357911131517, 18161412108642135791113151719] |