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A054818 Sixth term of strong prime sextets: 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). 18

%I

%S 1873,2543,3463,9623,21493,23021,25247,26113,32191,33413,33941,39107,

%T 40823,41233,44269,47297,48823,55903,57793,67049,70123,74297,74717,

%U 74719,75167,75169,83003,84319,87881,88427,88663,103813,103919

%N Sixth term of strong prime sextets: 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).

%t spsQ[lst_List]:=Module[{d=Differences[lst]},d[[1]]>d[[2]]>d[[3]]> d[[4]]> d[[5]]]; [Select[Partition[Prime[Range[10000]],6,1],spsQ]][[6]] (* _Harvey P. Dale_, Jul 04 2011 *)

%Y Cf. A051634, A054800-A054840.

%K nonn

%O 0,1

%A _Henry Bottomley_, Apr 10 2000

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Last modified January 23 01:30 EST 2020. Contains 331166 sequences. (Running on oeis4.)