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A172878 as a simple table

na(n)
10
244
34573530
413632458329840
5619930160682301188900
6288573946007975323336605745440
71016267487290196803817219026865112113177
821370280923598082571921850540899933826060972530560

[0,44,4573530,13632458329840,
 619930160682301188900,
 288573946007975323336605745440,
 1016267487290196803817219026865112113177,
 21370280923598082571921850540899933826060972530560\
 ]