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A054814 Second term p(m) of strong prime sextets: p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3). 2

%I #13 Jun 17 2023 16:02:34

%S 1847,2503,3433,9587,21467,22993,25219,26083,32159,33377,33911,39079,

%T 40787,41213,44249,47269,48799,55871,57773,67003,70099,74257,74687,

%U 74699,75109,75133,82939,84299,87833,88379,88643,103769,103867,106243,106937,108161,110899,112997,118127,120371

%N Second term p(m) of strong prime sextets: p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3).

%H M. F. Hasler, <a href="/A054814/b054814.txt">Table of n, a(n) for n = 1..2500</a>, Oct 27 2018

%F a(n) = A151800(A054813(n)) = A151799(A054815(n)), A151800 = nextprime, A151799 = prevprime; A054814 = { m = A054809(n) | m = nextprime(A054809(n-1)) }. - _M. F. Hasler_, Oct 27 2018

%t Select[Partition[Prime[Range[12000]],6,1],Max[Differences[#,2]]<0&][[;;,2]] (* _Harvey P. Dale_, Jun 17 2023 *)

%Y Cf. A051634, A051635; A054800 .. A054803: members of balanced prime quartets (= consecutive primes in arithmetic progression); A054804 .. A054818: members of strong prime quartet, quintet, sextet; A054819 .. A054840: members of weak prime quartet, quintet, sextet, septets.

%Y Subsequence of A054808.

%K nonn

%O 1,1

%A _Henry Bottomley_, Apr 10 2000

%E Edited and offset changed to 1 by _M. F. Hasler_, Oct 26 2018

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)