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

A221301 as a simple table

na(n)
199
253291
330470039
417788952657
510441043545431
66137910765383119
73609497709468161601

[99,53291,30470039,17788952657,10441043545431,
 6137910765383119,3609497709468161601]