n | a(n) |
---|---|
1 | 2 |
2 | 30 |
3 | 272 |
4 | 2229 |
5 | 18225 |
6 | 150558 |
7 | 1242620 |
8 | 10252421 |
9 | 84598340 |
10 | 698058898 |
11 | 5760016131 |
12 | 47528661500 |
13 | 392181902406 |
14 | 3236082261985 |
15 | 26702477277848 |
16 | 220335035126549 |
17 | 1818090778973268 |
18 | 15001945015288245 |
19 | 123788293117652608 |
[2,30,272,2229,18225,150558,1242620,10252421, 84598340,698058898,5760016131,47528661500, 392181902406,3236082261985,26702477277848, 220335035126549,1818090778973268, 15001945015288245,123788293117652608] |