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A166893 as a simple table

na(n)
11
26
363
4986
520685
6545736
717365336
8647216568
927653205177
101332422277828
1171470510481961
124223498675806638
13272615162534575302
1419082609490868539738
151439738711122827542742
16116468234559061615308870

[1,6,63,986,20685,545736,17365336,647216568,
 27653205177,1332422277828,71470510481961,
 4223498675806638,272615162534575302,
 19082609490868539738,1439738711122827542742,
 116468234559061615308870]