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A188132
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Primes p such that p == 3 (mod 4) and 6p+1 is prime.
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1
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3, 7, 11, 23, 47, 83, 103, 107, 131, 151, 263, 271, 283, 311, 331, 347, 367, 443, 467, 503, 607, 683, 727, 751, 787, 863, 887, 907, 947, 971, 1063, 1091, 1103, 1151, 1171, 1283, 1327, 1423, 1427, 1451, 1487, 1511, 1531, 1567, 1607, 1787, 1811, 1823, 1831, 1847, 1907, 1931, 1987
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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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MATHEMATICA
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Select[Range[3, 2000, 4], PrimeQ[#] && PrimeQ[6# + 1] &] (* Amiram Eldar, Nov 13 2019 *)
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PROG
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(PARI) forprime( p=1, 1e4, p%4==3 & isprime(p*6+1) & print1(p", "))
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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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