n | a(n) |
---|---|
1 | 4 |
2 | 22 |
3 | 145 |
4 | 1086 |
5 | 8686 |
6 | 72382 |
7 | 620421 |
8 | 5428681 |
9 | 48254942 |
10 | 434294482 |
11 | 3948131654 |
12 | 36191206825 |
13 | 334072678387 |
14 | 3102103442166 |
15 | 28952965460217 |
16 | 271434051189532 |
17 | 2554673422960305 |
18 | 24127471216847324 |
19 | 228576043106974646 |
[4,22,145,1086,8686,72382,620421,5428681,48254942, 434294482,3948131654,36191206825,334072678387, 3102103442166,28952965460217,271434051189532, 2554673422960305,24127471216847324, 228576043106974646] |