n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 15 |
3 | 95 |
4 | 669 |
5 | 5133 |
6 | 41538 |
7 | 348513 |
8 | 3001134 |
9 | 26355867 |
10 | 234954223 |
11 | 2119654578 |
12 | 19308136142 |
13 | 177291661649 |
14 | 1638923764567 |
15 | 15237833654620 |
16 | 142377417196364 |
17 | 1336094767763971 |
18 | 12585956566571620 |
19 | 118959989688273472 |
20 | 1127779923790184543 |
21 | 10720710117789005897 |
[0,3,15,95,669,5133,41538,348513,3001134,26355867, 234954223,2119654578,19308136142,177291661649, 1638923764567,15237833654620,142377417196364, 1336094767763971,12585956566571620, 118959989688273472,1127779923790184543, 10720710117789005897] |