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A172721 as a simple table

na(n)
141514583320
22402820978940192425615000
3384184227197088213207839624049360408000
495131219937961621952706904277268129938808819520975000

[41514583320,2402820978940192425615000,
 384184227197088213207839624049360408000,
 95131219937961621952706904277268129938808819520975\
 000]