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A185938
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First of a run of 3 or more consecutive primes which are congruent to 2 (mod 3).
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1
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47, 167, 251, 257, 503, 557, 587, 647, 941, 971, 1097, 1181, 1217, 1361, 1493, 1499, 1889, 1901, 1907, 2063, 2393, 2399, 2411, 2441, 2897, 2957, 3191, 3797, 4007, 4073, 4373, 4391, 4397, 4451, 4457, 4673, 4679, 4691, 4871, 5081, 5237, 5261, 5297, 5351, 5381, 5387, 5801, 6257, 6311, 6317, 6857, 6911, 6971, 7001, 7079
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OFFSET
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1,1
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COMMENTS
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LINKS
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PROG
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(PARI) s=Mod([2, 2, 2], 3); o=vector(#s); i=0; forprime( p=1, 1e4, o[i++%3+1]=p; o-s | print1( o[(i+1)%3+1]", "))
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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