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A030253 as a simple table

na(n)
11
24
31485
475503872
51017252851596875
65757133327963849592814528
720215881652044379995902152075055222830
861135717735233219050448568789931104340315383312314368

[1,4,1485,75503872,1017252851596875,
 5757133327963849592814528,
 20215881652044379995902152075055222830,
 61135717735233219050448568789931104340315383312314\
 368]