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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A129213 Numbers m such that 7!*m-/+1 are twin primes.

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%I A129213 #8 Dec 29 2019 08:39:08
%S A129213 7,11,13,20,22,37,41,46,47,48,56,57,90,102,103,135,142,164,190,216,
%T A129213 217,230,241,254,279,290,318,332,333,340,362,385,405,407,420,428,431,
%U A129213 470,473,476,486,494,499,518,526,531,553,554,565,571,584,587,592,605,609
%N A129213 Numbers m such that 7!*m-/+1 are twin primes.
%H A129213 Amiram Eldar, <a href="/A129213/b129213.txt">Table of n, a(n) for n = 1..10000</a>
%F A129213 7!*a(n) are terms in A014574.
%t A129213 s={};Do[m=5040k;If[PrimeQ[m-1]&&PrimeQ[m+1],AppendTo[s,k]],{k,1000}];s
%Y A129213 Cf. A014574 (Average of twin prime pairs), A127545 (Multiples of 7 such that n -/+ 1 are twin primes).
%Y A129213 Numbers m such that (N!*m -/+ 1) are twin primes: A129214 (N=8), A129215 (N=9), A129216 (N=10).
%K A129213 nonn
%O A129213 1,1
%A A129213 _Zak Seidov_, Apr 03 2007