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n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | -18 |
4 | -240 |
5 | 1900 |
6 | 42372 |
7 | -482552 |
8 | -14970816 |
9 | 222612624 |
10 | 8825080100 |
11 | -161981127968 |
12 | -7809130867824 |
13 | 170561613679808 |
14 | 9678967816041188 |
15 | -245159013138710400 |
16 | -16000787866533953280 |
17 | 461102348510408544512 |
18 | 34017524842099233036996 |
19 | -1098983344602124698522112 |
20 | -90417110945911655996319600 |
[0,1,4,-18,-240,1900,42372,-482552,-14970816, 222612624,8825080100,-161981127968,-7809130867824, 170561613679808,9678967816041188, -245159013138710400,-16000787866533953280, 461102348510408544512,34017524842099233036996, -1098983344602124698522112, -90417110945911655996319600] |