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EXAMPLE
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2^(2*23-7)-7=549755813881,
2^(2*361-7)-7=172364133221937103085272756482216056112753534658909761028039668631756215232006\
744379020625060744018369805777923479247838020220755974022884986972234404720831\
691332769255536872593544438018353486799545737272878084128761
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MATHEMATICA
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q=7; For[i=q, i<=q, a={}; Do[x=2^(2*n-i)-i; If[PrimeQ[x], AppendTo[a, n]], {n, 10^2}]; Print["2^(2*n-", i, ")-", i, " ", a]; i=i+2]
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