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A098333 as a simple table

na(n)
01
11
2-5
3-17
419
5211
6181
7-2015
8-5837
912259
1091585
1129965
12-1033955
13-2347955
147953115
1543864543
16-11941037
17-559875245
18-942036911
195060812717
2021502740649
21-20676139991
22-307241918945
23-344022187613

[1,1,-5,-17,19,211,181,-2015,-5837,12259,91585,
 29965,-1033955,-2347955,7953115,43864543,
 -11941037,-559875245,-942036911,5060812717,
 21502740649,-20676139991,-307241918945,
 -344022187613]