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A210909 as a simple table

na(n)
11
22
324
4616
534972
64448872
71271872472
8816403740024
91175380974129748
103797950184579806600
1127543816778839681854992
12448288796291335397449297608

[1,2,24,616,34972,4448872,1271872472,816403740024,
 1175380974129748,3797950184579806600,
 27543816778839681854992,
 448288796291335397449297608]