n | a(n) |
---|---|
1 | 3 |
2 | 4 |
3 | 13 |
4 | 67 |
5 | 560 |
6 | 6095 |
7 | 87693 |
8 | 1491707 |
9 | 30942952 |
10 | 795721368 |
11 | 22614834943 |
12 | 759296069174 |
13 | 28510284114397 |
14 | 1148788714239052 |
15 | 50932190960133487 |
16 | 2532582753383324327 |
17 | 139681393339880282191 |
18 | 8089483267352888074399 |
19 | 512986500081861276401709 |
20 | 34658318003703434434962860 |
[3,4,13,67,560,6095,87693,1491707,30942952, 795721368,22614834943,759296069174,28510284114397, 1148788714239052,50932190960133487, 2532582753383324327,139681393339880282191, 8089483267352888074399,512986500081861276401709, 34658318003703434434962860] |