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A095958
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Twin prime pairs concatenated in decimal representation.
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8
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35, 57, 1113, 1719, 2931, 4143, 5961, 7173, 101103, 107109, 137139, 149151, 179181, 191193, 197199, 227229, 239241, 269271, 281283, 311313, 347349, 419421, 431433, 461463, 521523, 569571, 599601, 617619, 641643, 659661
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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MATHEMATICA
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concat[{a_, b_}]:=FromDigits[Flatten[IntegerDigits/@{a, b}]]; concat/@ Select[Partition[ Prime[ Range[150]], 2, 1], #[[2]]-#[[1]]==2&] (* Harvey P. Dale, Apr 20 2012 *)
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PROG
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(Haskell)
a095958 n = a095958_list !! (n-1)
a095958_list = f $ map show a077800_list :: [Integer] where
f (t:t':ts) = read (t ++ t') : f ts
(Magma) [Seqint( Intseq(NthPrime(n+1)) cat Intseq(NthPrime(n)) ): n in [1..150 ]| NthPrime(n+1)-NthPrime(n) eq 2 ]; // Marius A. Burtea, Mar 21 2019
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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