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A086220
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Numbers n such that p=n^2+2, p+2, p+6 and p+8 are four consecutive primes.
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3
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3, 57, 32397, 54813, 61827, 62493, 98487, 98853, 119937, 213237, 254577, 306123, 322263, 328803, 438453, 603603, 619263, 656733, 671013, 675807, 821247, 875277, 1051173, 1121133, 1163697, 1230783, 1234317, 1337763, 1382223, 1388103, 1455927, 1538517, 1581237
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OFFSET
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1,1
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LINKS
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PROG
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(PARI) is(n)={my(p=n^2+2); isprime(p) && isprime(p+2) && isprime(p+6) && isprime(p+8)} \\ Andrew Howroyd, Jan 05 2020
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CROSSREFS
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KEYWORD
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easy,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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