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A053310 as a simple table

na(n)
01
112
275
3330
41155
53432
69009
721450
847190
997240
10189618
11352716
12629850
131085280
141812030
152941884
164657983
177210500
1810935925
1916280550
2023828805
2134337160
2248774375
2368368950
2494664700
25129585456
26175509972
27235358200

[1,12,75,330,1155,3432,9009,21450,47190,97240,
 189618,352716,629850,1085280,1812030,2941884,
 4657983,7210500,10935925,16280550,23828805,
 34337160,48774375,68368950,94664700,129585456,
 175509972,235358200]