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A090775
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6*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 5.
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0
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1, 106, 246, 651, 1351, 1456, 3711, 13301, 21596, 52066, 73361, 96111, 117461, 141226, 158326, 159201, 159811, 169561, 178346, 214376, 240436, 280581, 296766, 301056, 329861, 337786, 377721, 413581, 464171, 473046, 535746, 539371, 572761
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OFFSET
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1,2
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COMMENTS
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The nine terms in any sexy prime triple triple {{a, b, c}, {d, e, f}, {g, h, i}} may be arranged to form a 3 X 3 magic square [ h a f / c e g / d i b ].
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LINKS
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EXAMPLE
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a(3)=246 identifies the third sexy prime triple triple whose initial term is 5: {{5, 11, 17}, {5+6*246, 11+6*246, 17+6*246}, {5+2*6*246, 11+2*6*246, 17+2*6*246}} which is equal to {{5, 11, 17}, {1481, 1487, 1493}, {2957, 2963, 2969}}.
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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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