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A007530 Prime quadruples: numbers n such that n, n+2, n+6, n+8 are all prime.
(Formerly M3816)
+0
44
5, 11, 101, 191, 821, 1481, 1871, 2081, 3251, 3461, 5651, 9431, 13001, 15641, 15731, 16061, 18041, 18911, 19421, 21011, 22271, 25301, 31721, 34841, 43781, 51341, 55331, 62981, 67211, 69491, 72221, 77261, 79691, 81041, 82721, 88811, 97841, 99131 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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