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A252622 as a simple table

na(n)
19927
275859
3342559
41597203
511003134
651303874
7264208755
81700337789
97930822332
1041993076275
11265748176256
121237282428489
136597940218231
1441627282814007
15193554922117798
161034078382568668
176523826189348209

[9927,75859,342559,1597203,11003134,51303874,
 264208755,1700337789,7930822332,41993076275,
 265748176256,1237282428489,6597940218231,
 41627282814007,193554922117798,1034078382568668,
 6523826189348209]