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A362339 as a simple table

na(n)
01
11
21
31
4-23
5-119
6-359
7-839
878961
9722737
103623761
1113297681
12-2115602279
13-27917827079
14-195909017303
15-980236890359
16219254440161121
173780662914771681
1834105981790126881
19216149350680413857
20-62275804867272039479
21-1325952502191492278039

[1,1,1,1,-23,-119,-359,-839,78961,722737,3623761,
 13297681,-2115602279,-27917827079,-195909017303,
 -980236890359,219254440161121,3780662914771681,
 34105981790126881,216149350680413857,
 -62275804867272039479,-1325952502191492278039]