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A234252 as a simple table

na(n)
1-1
21
30
423
5112
62637
728928
8705259
912021504
10337390073
117752749056
12252186614847
137261683740672
14271082082053317
159359536638984192
16396049017137512403
1715920162462882529280
18754792662169555947633
1934587513064809080815616
201818644980834260579498343

[-1,1,0,23,112,2637,28928,705259,12021504,
 337390073,7752749056,252186614847,7261683740672,
 271082082053317,9359536638984192,
 396049017137512403,15920162462882529280,
 754792662169555947633,34587513064809080815616,
 1818644980834260579498343]