n | a(n) |
---|---|
0 | 0 |
1 | 6 |
2 | 46 |
3 | 339 |
4 | 2553 |
5 | 19723 |
6 | 155805 |
7 | 1253931 |
8 | 10249096 |
9 | 84864051 |
10 | 710429304 |
11 | 6003238901 |
12 | 51140131770 |
13 | 438729741450 |
14 | 3787208722815 |
15 | 32871470376123 |
16 | 286706337100656 |
17 | 2511620756461504 |
18 | 22089299382478728 |
19 | 194966351598215340 |
20 | 1726424465382128205 |
[0,6,46,339,2553,19723,155805,1253931,10249096, 84864051,710429304,6003238901,51140131770, 438729741450,3787208722815,32871470376123, 286706337100656,2511620756461504, 22089299382478728,194966351598215340, 1726424465382128205] |