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A221249 as a simple table

na(n)
10
23025
3441720
4367565584
5142283547000
671306050492681
731835526389622592
814864426276052147876

[0,3025,441720,367565584,142283547000,
 71306050492681,31835526389622592,
 14864426276052147876]