A099664 a(n) is the largest prime before A002278(n).
3, 43, 443, 4441, 44417, 444443, 4444409, 44444399, 444444443, 4444444429, 44444444441, 444444444443, 4444444444439, 44444444444353, 444444444444421, 4444444444444423, 44444444444444411, 444444444444444419
Offset: 1
Examples
n=2: 43 is before 44.
Links
- Harvey P. Dale, Table of n, a(n) for n = 1..1000
Programs
-
Mathematica
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Harvey P. Dale, Feb 25 2013 *)