n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 28 |
3 | 1211 |
4 | 3408 |
5 | 346140 |
6 | 2573898 |
7 | 60495606 |
8 | 311489674 |
9 | 6837335442 |
10 | 70464331680 |
11 | 208322823529 |
12 | 18129926763899 |
13 | 111322267253823 |
14 | 1928572906807341 |
15 | 29490207606702364 |
16 | 438977351719428420 |
17 | 7093143443551226830 |
18 | 15743559362932564763 |
19 | 1365208442786421282311 |
[0,2,28,1211,3408,346140,2573898,60495606, 311489674,6837335442,70464331680,208322823529, 18129926763899,111322267253823,1928572906807341, 29490207606702364,438977351719428420, 7093143443551226830,15743559362932564763, 1365208442786421282311] |