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A135082 as a simple table

na(n)
01
12
27
340
4326
53492
646558
7744320
813889080
9296459376
107125938790
11190502850972
125607258255032
13180198503713952
146278311585490032
15235730921392184452
169489040823468191328
17407662178549724426176

[1,2,7,40,326,3492,46558,744320,13889080,
 296459376,7125938790,190502850972,5607258255032,
 180198503713952,6278311585490032,
 235730921392184452,9489040823468191328,
 407662178549724426176]