n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 63 |
3 | 392 |
4 | 1764 |
5 | 6352 |
6 | 19404 |
7 | 52272 |
8 | 127413 |
9 | 286286 |
10 | 601203 |
11 | 1192464 |
12 | 2252432 |
13 | 4078368 |
14 | 7116336 |
15 | 12018704 |
16 | 19718181 |
17 | 31521798 |
18 | 49228487 |
19 | 75274584 |
20 | 112911880 |
21 | 166423400 |
22 | 241382700 |
23 | 344962800 |
24 | 486301725 |
25 | 676932006 |
26 | 931282191 |
27 | 1267259168 |
[1,6,63,392,1764,6352,19404,52272,127413,286286, 601203,1192464,2252432,4078368,7116336,12018704, 19718181,31521798,49228487,75274584,112911880, 166423400,241382700,344962800,486301725,676932006, 931282191,1267259168] |