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A095649
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Primes p = p_(n+1) such that p_n + p_(n+2) = 2*p_(n+1) + 8.
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8
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139, 181, 241, 283, 421, 467, 811, 829, 953, 1021, 1051, 1153, 1259, 1307, 1699, 1723, 1831, 1879, 2029, 2089, 2143, 2221, 2251, 2297, 2357, 2423, 2621, 2731, 3001, 3191, 3347, 3361, 3583, 3769, 3823, 3853, 4139, 4219, 4231, 4243, 4261, 4273, 4339, 4373
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OFFSET
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1,1
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COMMENTS
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Primes that are second prime chords.
These come from music based on the prime differences where the chords are an even number of note steps from the primary note.
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LINKS
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MATHEMATICA
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m = 2; Prime[ 1 + Select[ Range[600], Prime[ # + 2] - 2*Prime[ # + 1] + Prime[ # ] - 4*m == 0 &]] (* Robert G. Wilson v, Jul 14 2004 *)
Transpose[Select[Partition[Prime[Range[600]], 3, 1], #[[1]]+#[[3]]==2#[[2]]+ 8&]][[2]] (* Harvey P. Dale, Feb 26 2015 *)
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CROSSREFS
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KEYWORD
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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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