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A230324 as a simple table

na(n)
02
11
2-1
3-2
41
56
6-3
7-34
817
9310
10-155
11-4146
122073
1376454
14-38227
15-1859138
16929569
1757641238
18-28820619
19-2219305810
201109652905
21103886563462
22-51943281731
23-5810302084962
242905151042481
25382659344967926

[2,1,-1,-2,1,6,-3,-34,17,310,-155,-4146,2073,
 76454,-38227,-1859138,929569,57641238,-28820619,
 -2219305810,1109652905,103886563462,-51943281731,
 -5810302084962,2905151042481,382659344967926]