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A348023 as a simple table

na(n)
01
1-1
2-5
351
41009
5-17765
6-636385
715875083
8828730833
9-26734633497
10-1837389309405
1172689703927555
126202163408816881
13-290609121018808813
14-29631450442239587305
151604436906627413556075
16190333687041180914380065
17-11692931012450127257939505
18-1582217617564533519968758645

[1,-1,-5,51,1009,-17765,-636385,15875083,
 828730833,-26734633497,-1837389309405,
 72689703927555,6202163408816881,
 -290609121018808813,-29631450442239587305,
 1604436906627413556075,190333687041180914380065,
 -11692931012450127257939505,
 -1582217617564533519968758645]