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A089468 as a simple table

na(n)
01
13
215
3110
41083
513482
6203569
73618540
874058105
91715620148
1044384718879
111268498827752
1239692276983555
131349678904881400
1449556966130059553
151954156038072106448
1682363978221026323761
173695194039210436996400

[1,3,15,110,1083,13482,203569,3618540,74058105,
 1715620148,44384718879,1268498827752,
 39692276983555,1349678904881400,49556966130059553,
 1954156038072106448,82363978221026323761,
 3695194039210436996400]