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A049216 as a simple table

na(n)
01
170
26384
3804320
4136804096
530459752960
68632830664704
73041109959196672
81305140879116763136
9670935549630120394752
10407240889859179425562624
11288272814806050917816729600

[1,70,6384,804320,136804096,30459752960,
 8632830664704,3041109959196672,
 1305140879116763136,670935549630120394752,
 407240889859179425562624,
 288272814806050917816729600]