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A164894 as a simple table

na(n)
11
26
352
4840
526896
61721376
7220336192
856406065280
928879905423616
1029573023153783296
1160565551418948191232
12248076498612011791288320
132032242676629600594233921536
1433296264013899376135928570454016
151091051979207454757222107396637212672

[1,6,52,840,26896,1721376,220336192,56406065280,
 28879905423616,29573023153783296,
 60565551418948191232,248076498612011791288320,
 2032242676629600594233921536,
 33296264013899376135928570454016,
 1091051979207454757222107396637212672]