n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 19 |
3 | 28 |
4 | 406 |
5 | 721 |
6 | 8722 |
7 | 17983 |
8 | 188209 |
9 | 438697 |
10 | 4078270 |
11 | 10530100 |
12 | 88714549 |
13 | 249679990 |
14 | 1936716229 |
15 | 5864281633 |
16 | 42418800739 |
17 | 136706927896 |
18 | 931844786950 |
19 | 3167777090989 |
20 | 20525689021222 |
21 | 73046232419419 |
22 | 453213909082585 |
[1,1,19,28,406,721,8722,17983,188209,438697, 4078270,10530100,88714549,249679990,1936716229, 5864281633,42418800739,136706927896,931844786950, 3167777090989,20525689021222,73046232419419, 453213909082585] |