n | a(n) |
---|---|
1 | 18 |
2 | 70 |
3 | 88 |
4 | 132 |
5 | 780 |
6 | 11096 |
7 | 17816 |
8 | 518656 |
9 | 1713592 |
10 | 9928792 |
11 | 11547352 |
12 | 13499120 |
13 | 17999992 |
14 | 89283592 |
15 | 134094848 |
16 | 173482552 |
17 | 175519344 |
18 | 318836720 |
19 | 903230984 |
20 | 1081850752 |
21 | 2146926592 |
22 | 16709332608 |
23 | 18543186000 |
24 | 34177937500 |
[18,70,88,132,780,11096,17816,518656,1713592, 9928792,11547352,13499120,17999992,89283592, 134094848,173482552,175519344,318836720,903230984, 1081850752,2146926592,16709332608,18543186000, 34177937500] |