n | a(n) |
---|---|
0 | 1 |
1 | 392 |
2 | 25872 |
3 | 703640 |
4 | 10746400 |
5 | 108568488 |
6 | 803467056 |
7 | 4666890936 |
8 | 22345512000 |
9 | 91437047240 |
10 | 328578611536 |
11 | 1058868074712 |
12 | 3110749728352 |
13 | 8440960351208 |
14 | 21380213588848 |
15 | 50989319763704 |
16 | 115318214551680 |
17 | 248806698957320 |
18 | 514705956670864 |
19 | 1025296826430744 |
20 | 1973911289979552 |
[1,392,25872,703640,10746400,108568488,803467056, 4666890936,22345512000,91437047240,328578611536, 1058868074712,3110749728352,8440960351208, 21380213588848,50989319763704,115318214551680, 248806698957320,514705956670864,1025296826430744, 1973911289979552] |