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A107100 as a simple table

na(n)
01
11
21
3-1
4-19
517831
6-64667
71752946877
8796654376069593
9-1318782726516512640001
103482456481351141439684019
11-6944717442120502790179764362411651
1232108006354107989164763518257678603933

[1,1,1,-1,-19,17831,-64667,1752946877,
 796654376069593,-1318782726516512640001,
 3482456481351141439684019,
 -6944717442120502790179764362411651,
 32108006354107989164763518257678603933]