n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 6 |
3 | 98 |
4 | 142 |
5 | 2162 |
6 | 3128 |
7 | 47476 |
8 | 68684 |
9 | 1042320 |
10 | 1507930 |
11 | 22883574 |
12 | 33105786 |
13 | 502396318 |
14 | 726819372 |
15 | 11029835432 |
16 | 15956920408 |
17 | 242153983196 |
18 | 350325429614 |
19 | 5316357794890 |
20 | 7691202531110 |
21 | 116717717504394 |
22 | 168856130254816 |
[0,4,6,98,142,2162,3128,47476,68684,1042320, 1507930,22883574,33105786,502396318,726819372, 11029835432,15956920408,242153983196,350325429614, 5316357794890,7691202531110,116717717504394, 168856130254816] |