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A054801 Second term of balanced prime quartets: p(m)-p(m-1) = p(m+1)-p(m) = p(m+2)-p(m+1). 3

%I #6 Oct 22 2013 10:57:36

%S 257,1747,3307,5107,5387,6317,6367,12647,13457,14747,15797,15907,

%T 17477,18217,19477,23327,26177,30097,30637,53617,56087,62207,63697,

%U 71347,74471,75527,76561,77557,78797,80917,82787,83437,84437,89107,89387

%N Second term of balanced prime quartets: p(m)-p(m-1) = p(m+1)-p(m) = p(m+2)-p(m+1).

%H Harvey P. Dale, <a href="/A054801/b054801.txt">Table of n, a(n) for n = 1..1000</a>

%t Transpose[Select[Partition[Prime[Range[9000]],4,1],Length[ Union[ Differences[#]]] == 1&]][[2]] (* _Harvey P. Dale_, Oct 22 2013 *)

%Y Cf. A006562, A054800-A054840.

%K nonn

%O 1,1

%A _Henry Bottomley_, Apr 10 2000

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Last modified April 27 21:44 EDT 2024. Contains 372020 sequences. (Running on oeis4.)