n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 22 |
3 | 211 |
4 | 2306 |
5 | 27230 |
6 | 338444 |
7 | 4362627 |
8 | 57788170 |
9 | 781825066 |
10 | 10757497972 |
11 | 150073096238 |
12 | 2117778107732 |
13 | 30176799215196 |
14 | 433586825237912 |
15 | 6274885068167651 |
16 | 91383942213277530 |
17 | 1338275570267001458 |
18 | 19695358741104824036 |
19 | 291137841642777382330 |
20 | 4320734864185863437820 |
[1,3,22,211,2306,27230,338444,4362627,57788170, 781825066,10757497972,150073096238,2117778107732, 30176799215196,433586825237912,6274885068167651, 91383942213277530,1338275570267001458, 19695358741104824036,291137841642777382330, 4320734864185863437820] |