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A145763 as a simple table

na(n)
11
21
31
41
54
67
716
835
9133
10363
111590
125600
1333892
14154647
151163836
166812622
1766760064
18504710757
196331779830
2061565739001
21996948455181
2212487323542741
23259917683188595
244189678086571772
25112326942697897637

[1,1,1,1,4,7,16,35,133,363,1590,5600,33892,154647,
 1163836,6812622,66760064,504710757,6331779830,
 61565739001,996948455181,12487323542741,
 259917683188595,4189678086571772,
 112326942697897637]