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A089773
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Smallest prime of the form 1 followed by a perfect power.
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1
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11, 19, 127, 149, 181, 1289, 1361, 11369, 11681, 12197, 12401, 12601, 12809, 13249, 13721, 14489, 15329, 16561, 16889, 17569, 17921, 19801, 110609, 114161, 114641, 119321, 119881, 121609, 122201, 125921, 132761, 135721, 135937, 136481, 140401
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(4) = 181: 1 followed by 3^4.
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MATHEMATICA
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Select[ Map[ FromDigits, Join[{1}, IntegerDigits[ # ]] & /@ Union[ Join[{1}, Flatten[ Table[n^i, {n, 2, Sqrt[10^5]}, {i, 2, Log[n, 10^5]}]]]]], PrimeQ[ # ] &]
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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