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A376889 as a simple table

na(n)
16
260
390
4336
55040
687360
7764400
811466000
9620568000
109478560000
1114217840000
1222805874000

[6,60,90,336,5040,87360,764400,11466000,620568000,
 9478560000,14217840000,22805874000]