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A270110 as a simple table

na(n)
10
21344
345440640
438799000374400
51043364062813432764992
6953623090124975369688224358912
730710864722727618437291310619830386096704

[0,1344,45440640,38799000374400,
 1043364062813432764992,
 953623090124975369688224358912,
 30710864722727618437291310619830386096704]