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

A251356 as a simple table

na(n)
17279536
214522811996
328911058486029
457599526297754843
5114759773653630134486
6228648289988622704385854
7455562927063978805202146318
8907671741743150889238106215589

[7279536,14522811996,28911058486029,
 57599526297754843,114759773653630134486,
 228648289988622704385854,
 455562927063978805202146318,
 907671741743150889238106215589]