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A107050 as a simple table

na(n)
01
11
21
327
4864
52700000
6291600000
7240145138800000
81967268977049600000
91045487392432216473600000
1013068592405402705920000000000
113728621931719673008255139717120000000000

[1,1,1,27,864,2700000,291600000,240145138800000,
 1967268977049600000,1045487392432216473600000,
 13068592405402705920000000000,
 3728621931719673008255139717120000000000]