n | a(n) |
---|---|
0 | 1 |
1 | 18 |
2 | 262 |
3 | 3502 |
4 | 46741 |
5 | 621649 |
6 | 8240087 |
7 | 109043123 |
8 | 1441386411 |
9 | 19037866206 |
10 | 251285929522 |
11 | 3314574738534 |
12 | 43689000394782 |
13 | 575342418679410 |
[1,18,262,3502,46741,621649,8240087,109043123, 1441386411,19037866206,251285929522,3314574738534, 43689000394782,575342418679410] |