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A054833 Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1). 2

%I #13 Oct 30 2018 20:14:59

%S 2953,13513,13931,15013,15413,15427,21467,21587,21911,28307,30931,

%T 33287,35671,37781,42281,42641,45853,55691,64709,64969,64997,68239,

%U 68261,68927,68947,73999,74257,78643,83177,85571,87383,88069,90971,91621,92297,97073,106853,118529,119083,127807,129011

%N Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1).

%H Harvey P. Dale, <a href="/A054833/b054833.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) = A151800(A054832(n)). - _M. F. Hasler_, Oct 27 2018

%t Transpose[Select[Partition[Prime[Range[9000]],6,1],And@@Positive[ Differences[ #,2]]&]][[6]] (* _Harvey P. Dale_, Nov 06 2011 *)

%Y Cf. A051635; A054800 .. A054803: members of balanced prime quartets (= consecutive primes in arithmetic progression); A054804 .. A054818: members of strong prime quartets, quintets, sextets; A054819 .. A054840: members of weak prime quartets, quintets, sextets, septets.

%K nonn

%O 1,1

%A _Henry Bottomley_, Apr 10 2000

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)