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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A299091 as a simple table

na(n)
11
27
320
4125
52828
642012
72170819
8161247816
920536604982
105567500327979

[1,7,20,125,2828,42012,2170819,161247816,
 20536604982,5567500327979]