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

A209021 as a simple table

na(n)
11
22
316
4152
51721
621083
7217825
82135214
920752645
10208916566
112138876698

[1,2,16,152,1721,21083,217825,2135214,20752645,
 208916566,2138876698]