n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 111 |
4 | 936 |
5 | 7569 |
6 | 59940 |
7 | 469503 |
8 | 3656016 |
9 | 28378593 |
10 | 219894588 |
11 | 1702241487 |
12 | 13170376440 |
13 | 101870548209 |
14 | 787824155988 |
15 | 6092161780959 |
16 | 47107744223904 |
17 | 364251591915201 |
18 | 2816463543593580 |
19 | 21777259989921327 |
20 | 168383822940467784 |
[1,12,111,936,7569,59940,469503,3656016,28378593, 219894588,1702241487,13170376440,101870548209, 787824155988,6092161780959,47107744223904, 364251591915201,2816463543593580, 21777259989921327,168383822940467784] |