n | a(n) |
---|---|
1 | 6 |
2 | 69 |
3 | 280 |
4 | 1644 |
5 | 10703 |
6 | 58506 |
7 | 341979 |
8 | 2028843 |
9 | 11696474 |
10 | 68225570 |
11 | 398760505 |
12 | 2319839274 |
13 | 13523201423 |
14 | 78852368243 |
15 | 459434459883 |
16 | 2677820327762 |
17 | 15608232354908 |
18 | 90964787662250 |
19 | 530173471171647 |
20 | 3090042672857392 |
[6,69,280,1644,10703,58506,341979,2028843, 11696474,68225570,398760505,2319839274, 13523201423,78852368243,459434459883, 2677820327762,15608232354908,90964787662250, 530173471171647,3090042672857392] |