n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 7 |
4 | 49 |
5 | 431 |
6 | 5281 |
7 | 69735 |
8 | 1163681 |
9 | 21106783 |
10 | 443495041 |
11 | 10238783303 |
12 | 261253326577 |
13 | 7289538431631 |
14 | 220029116061665 |
15 | 7180115829246391 |
16 | 250782957484550977 |
17 | 9365723147426913215 |
18 | 371694221511705312769 |
19 | 15638233703457023744679 |
[1,1,1,7,49,431,5281,69735,1163681,21106783, 443495041,10238783303,261253326577,7289538431631, 220029116061665,7180115829246391, 250782957484550977,9365723147426913215, 371694221511705312769,15638233703457023744679] |