n | a(n) |
---|---|
2 | 1 |
3 | 10 |
4 | 73 |
5 | 520 |
6 | 3967 |
7 | 33334 |
8 | 309661 |
9 | 3166468 |
10 | 35416555 |
11 | 430546642 |
12 | 5655609529 |
13 | 79856902816 |
14 | 1206424711303 |
15 | 19419937594990 |
16 | 331860183278677 |
17 | 6000534640290364 |
18 | 114462875817046051 |
19 | 2297294297649673738 |
20 | 48394006967070653425 |
[1,10,73,520,3967,33334,309661,3166468,35416555, 430546642,5655609529,79856902816,1206424711303, 19419937594990,331860183278677,6000534640290364, 114462875817046051,2297294297649673738, 48394006967070653425] |