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A375197
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Terms k in A025487 such that k-1 and k+1 are twin primes.
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2
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4, 6, 12, 30, 60, 72, 180, 192, 240, 420, 432, 1152, 2310, 2592, 3360, 6300, 7560, 9240, 15360, 21600, 23040, 26880, 55440, 100800, 110880, 138240, 180180, 241920, 264600, 345600, 415800, 453600, 737280, 786432, 995328, 1088640, 1921920, 1940400, 2116800, 3456000
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Select[Cases[Import["https://oeis.org/A025487/b025487.txt", "Table"], {_, _}][[;; , 2]], And @@ PrimeQ[# + {-1, 1}] &]
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CROSSREFS
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KEYWORD
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nonn,new
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AUTHOR
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STATUS
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approved
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