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

A107691 as a simple table

na(n)
15
2151
31151
41511
5511111
61111151
7115111111
81111115111
91115111111
101151111111
11111111111511
12111511111111
131111151111111
145111111111111
15111111151111111
16111151111111111
175111111111111111
18111115111111111111111
191111111111111111111511

[5,151,1151,1511,511111,1111151,115111111,
 1111115111,1115111111,1151111111,111111111511,
 111511111111,1111151111111,5111111111111,
 111111151111111,111151111111111,5111111111111111,
 111115111111111111111,1111111111111111111511]