n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 21 |
5 | 271 |
6 | 5547 |
7 | 163449 |
8 | 6515653 |
9 | 336521487 |
10 | 21811917243 |
11 | 1731102129033 |
12 | 164965649015727 |
13 | 18576187504063053 |
14 | 2439032446517056113 |
15 | 369203184490259386011 |
16 | 63808807042506278660325 |
17 | 12485211237616581137265679 |
18 | 2745317734648664454455184459 |
[1,1,1,3,21,271,5547,163449,6515653,336521487, 21811917243,1731102129033,164965649015727, 18576187504063053,2439032446517056113, 369203184490259386011,63808807042506278660325, 12485211237616581137265679, 2745317734648664454455184459] |