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A190734 as a simple table

na(n)
01
15
251
3618
48043
5108753
61505652
721181632
8301445115
94327546335
1062550664827
11909065484726
1213271032349844
13194464001709708
142858582670411768
1542135099729748512
16622533141544186779
179216768941364987195
18136706015987753749593

[1,5,51,618,8043,108753,1505652,21181632,
 301445115,4327546335,62550664827,909065484726,
 13271032349844,194464001709708,2858582670411768,
 42135099729748512,622533141544186779,
 9216768941364987195,136706015987753749593]