n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 10 |
4 | 78 |
5 | 794 |
6 | 9870 |
7 | 143610 |
8 | 2382350 |
9 | 44266538 |
10 | 909575170 |
11 | 20468012850 |
12 | 500542618118 |
13 | 13218631046786 |
14 | 374965272837542 |
15 | 11372416113131346 |
16 | 367296622702990270 |
17 | 12587154399475110546 |
18 | 456238999451039779510 |
19 | 17440439387336903608866 |
20 | 701272672299320517560470 |
[0,1,2,10,78,794,9870,143610,2382350,44266538, 909575170,20468012850,500542618118,13218631046786, 374965272837542,11372416113131346, 367296622702990270,12587154399475110546, 456238999451039779510,17440439387336903608866, 701272672299320517560470] |