n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 18 |
4 | 246 |
5 | 1043 |
6 | 5368 |
7 | 37739 |
8 | 219689 |
9 | 1245482 |
10 | 7870135 |
11 | 47636355 |
12 | 282097766 |
13 | 1725080678 |
14 | 10469667595 |
15 | 62941560035 |
16 | 381690476085 |
17 | 2313274299430 |
18 | 13972436055633 |
19 | 84576042864758 |
20 | 512096642082119 |
21 | 3097315708720487 |
[1,16,18,246,1043,5368,37739,219689,1245482, 7870135,47636355,282097766,1725080678,10469667595, 62941560035,381690476085,2313274299430, 13972436055633,84576042864758,512096642082119, 3097315708720487] |