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A354419 as a simple table

na(n)
00
11
2-2
323
4-276
54509
6-91190
72205587
8-62104168
91995807993
10-72089029802
112891304481999
12-127498010037244
136131189086886421
14-319320539953144158
1517905976286288568267
16-1075611833288214177232
1768909527979479961534705

[0,1,-2,23,-276,4509,-91190,2205587,-62104168,
 1995807993,-72089029802,2891304481999,
 -127498010037244,6131189086886421,
 -319320539953144158,17905976286288568267,
 -1075611833288214177232,68909527979479961534705]