n | a(n) |
---|---|
6 | 5 |
7 | 20 |
8 | 100 |
9 | 431 |
10 | 1937 |
11 | 8548 |
12 | 38199 |
13 | 171001 |
14 | 770934 |
15 | 3492251 |
16 | 15905897 |
17 | 72785480 |
18 | 334571647 |
19 | 1544203452 |
20 | 7154247842 |
21 | 33260560977 |
22 | 155126129968 |
23 | 725639264293 |
24 | 3403612632885 |
25 | 16004969728270 |
26 | 75437244856898 |
27 | 356337397010035 |
28 | 1686618801843050 |
[5,20,100,431,1937,8548,38199,171001,770934, 3492251,15905897,72785480,334571647,1544203452, 7154247842,33260560977,155126129968,725639264293, 3403612632885,16004969728270,75437244856898, 356337397010035,1686618801843050] |