n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 128 |
4 | 1106 |
5 | 9032 |
6 | 70994 |
7 | 543608 |
8 | 4085186 |
9 | 30275912 |
10 | 222009074 |
11 | 1614529688 |
12 | 11664504866 |
13 | 83828316392 |
14 | 599858908754 |
15 | 4277376525368 |
16 | 30411820662146 |
17 | 215703854542472 |
18 | 1526853641242034 |
19 | 10789535445362648 |
[1,2,14,128,1106,9032,70994,543608,4085186, 30275912,222009074,1614529688,11664504866, 83828316392,599858908754,4277376525368, 30411820662146,215703854542472,1526853641242034, 10789535445362648] |