n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 44 |
4 | 491 |
5 | 6597 |
6 | 110652 |
7 | 2144606 |
8 | 47988524 |
9 | 1206275925 |
10 | 33777572464 |
11 | 1040200674416 |
12 | 34967153135940 |
13 | 1273241146218823 |
14 | 49928549099500206 |
15 | 2097300313258417056 |
16 | 93953420539864844743 |
17 | 4470694981375022862697 |
18 | 225184078001798318202935 |
[1,1,6,44,491,6597,110652,2144606,47988524, 1206275925,33777572464,1040200674416, 34967153135940,1273241146218823,49928549099500206, 2097300313258417056,93953420539864844743, 4470694981375022862697,225184078001798318202935] |