n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 38 |
4 | 366 |
5 | 4502 |
6 | 66606 |
7 | 1149878 |
8 | 22687566 |
9 | 503589782 |
10 | 12420052206 |
11 | 336947795318 |
12 | 9972186170766 |
13 | 319727684645462 |
14 | 11039636939221806 |
15 | 408406422098722358 |
16 | 16116066766061589966 |
17 | 675700891505466507542 |
[2,6,38,366,4502,66606,1149878,22687566,503589782, 12420052206,336947795318,9972186170766, 319727684645462,11039636939221806, 408406422098722358,16116066766061589966, 675700891505466507542] |