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A208252 as a simple table

na(n)
11
212
32040
42445264
520662697664
61230875651548608
7516901401841519506624
81530268623239822606574667872
931936997040921403605588139690977984
104698799611233642481043318409392291549604736

[1,12,2040,2445264,20662697664,1230875651548608,
 516901401841519506624,
 1530268623239822606574667872,
 31936997040921403605588139690977984,
 4698799611233642481043318409392291549604736]