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A178291 as a simple table

na(n)
10
20
30
40
52687088
679355392
71008580720
87955368960
955993694000
10284540909568
111291577484720
124756123165696

[0,0,0,0,2687088,79355392,1008580720,7955368960,
 55993694000,284540909568,1291577484720,
 4756123165696]