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A024098 as a simple table

na(n)
01
17
2-960
3-58537
4-1044480
5-9732857
6-60204032
7-280378097
8-1056964608
9-3352566673
10-8926258176
11-17347490009
126802112512
13411897322039
144108791856128
1534607721698207
16280375465082880
172249783819784799

[1,7,-960,-58537,-1044480,-9732857,-60204032,
 -280378097,-1056964608,-3352566673,-8926258176,
 -17347490009,6802112512,411897322039,
 4108791856128,34607721698207,280375465082880,
 2249783819784799]