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

A247388 as a simple table

na(n)
215
316
413
516
623
716
89
98
1025
1116
1217
1316
1425
1516
169
178
1825
1916
2017

[15,16,13,16,23,16,9,8,25,16,17,16,25,16,9,8,25,
 16,17]