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A031168
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a(n) = prime(n+6) - prime(n).
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11
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15, 16, 18, 22, 20, 24, 24, 24, 24, 24, 28, 24, 26, 28, 26, 26, 24, 28, 30, 30, 30, 28, 26, 24, 30, 30, 34, 32, 40, 38, 30, 32, 30, 34, 30, 30, 34, 30, 30, 26, 32, 42, 36, 36, 36, 40, 30, 28, 30, 34, 36, 32, 36, 30, 26, 30, 38, 40, 36, 36, 48, 44, 40, 38, 40, 42, 36
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MAPLE
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seq(ithprime(n+6)-ithprime(n), n=1..70);
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MATHEMATICA
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Last[#]-First[#]&/@Partition[Prime[Range[80]], 7, 1] (* Harvey P. Dale, Jan 12 2012 *)
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PROG
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(Magma) [NthPrime(n+6)-NthPrime(n): n in [1..100] ]; // Vincenzo Librandi, Apr 23 2011
(Haskell)
a031168 n = a031168_list !! (n-1)
a031168_list = zipWith (-) (drop 6 a000040_list) a000040_list
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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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