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A221924 as a simple table

na(n)
113
23487
3508281
475313013
511143187999
61648683705320
7243924224883451
836085841660921104
95338383610734905950
10789733272292081157838

[13,3487,508281,75313013,11143187999,
 1648683705320,243924224883451,36085841660921104,
 5338383610734905950,789733272292081157838]