n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 54 |
3 | 1494 |
4 | 58248 |
5 | 2921346 |
6 | 179119836 |
7 | 12981530772 |
8 | 1085678924472 |
9 | 102911898062376 |
10 | 10903265835968178 |
11 | 1276820000444309958 |
12 | 163765996498409795046 |
13 | 22831772648676453195534 |
14 | 3437850237146915605162722 |
15 | 555999871854064840852040190 |
16 | 96123855383854022518187481072 |
17 | 17690662829477220311541393099324 |
18 | 3453143617992367493730150308612370 |
[1,3,54,1494,58248,2921346,179119836,12981530772, 1085678924472,102911898062376,10903265835968178, 1276820000444309958,163765996498409795046, 22831772648676453195534,3437850237146915605162722, 555999871854064840852040190, 96123855383854022518187481072, 17690662829477220311541393099324, 3453143617992367493730150308612370] |