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A109949
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Smallest prime == 1 (mod f(n)), where f(n) = concatenation 1,2,3...,n-1,n,n-1,...,3,2,1.
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1
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2, 727, 147853, 7405927, 3456720989, 24691308643, 34567894320989, 8888888711111113, 518518517481481483, 271604936041728395063, 3703703673033329629629631, 22222222038200179997777777779
(list; graph; refs; listen; history; internal format)
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