n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 54 |
4 | 768 |
5 | 12500 |
6 | 233280 |
7 | 4941258 |
8 | 117440512 |
9 | 3099363912 |
10 | 90000000000 |
11 | 2853116706110 |
12 | 98077104930816 |
13 | 3634501279107036 |
14 | 144456088732254208 |
15 | 6130514465332031250 |
16 | 276701161105643274240 |
17 | 13235844190181388226832 |
[0,4,54,768,12500,233280,4941258,117440512, 3099363912,90000000000,2853116706110, 98077104930816,3634501279107036, 144456088732254208,6130514465332031250, 276701161105643274240,13235844190181388226832] |