n | a(n) |
---|---|
0 | 1 |
1 | 19 |
2 | 342 |
3 | 6156 |
4 | 110808 |
5 | 1994544 |
6 | 35901792 |
7 | 646232256 |
8 | 11632180608 |
9 | 209379250944 |
10 | 3768826516992 |
11 | 67838877305856 |
12 | 1221099791505408 |
13 | 21979796247097344 |
14 | 395636332447752192 |
15 | 7121453984059539456 |
16 | 128186171713071710208 |
17 | 2307351090835290783744 |
18 | 41532319635035234107392 |
[1,19,342,6156,110808,1994544,35901792,646232256, 11632180608,209379250944,3768826516992, 67838877305856,1221099791505408,21979796247097344, 395636332447752192,7121453984059539456, 128186171713071710208,2307351090835290783744, 41532319635035234107392] |