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A059475 as a simple table

na(n)
01
12
210
3140
45544
5622908
6198846076
7180473355920
8465904151957920
93422048076740462480
1071525763221287897903500
114254840960508487045451825000
12720428791920558617462950575000000
13347230535542092373572967034254050000000

[1,2,10,140,5544,622908,198846076,180473355920,
 465904151957920,3422048076740462480,
 71525763221287897903500,
 4254840960508487045451825000,
 720428791920558617462950575000000,
 347230535542092373572967034254050000000]