cp's OEIS Frontend

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.

A129214 Numbers m such that 8!*m-/+1 are twin primes.

This page as a plain text file.
%I A129214 #9 Oct 05 2022 20:00:10
%S A129214 6,7,27,73,74,78,87,88,96,99,109,131,146,164,165,173,179,198,202,213,
%T A129214 214,215,220,228,239,286,320,342,348,397,400,419,468,511,516,527,532,
%U A129214 543,569,571,578,584,590,595,621,624,649,663,679,686,707,715,716,723
%N A129214 Numbers m such that 8!*m-/+1 are twin primes.
%H A129214 Amiram Eldar, <a href="/A129214/b129214.txt">Table of n, a(n) for n = 1..10000</a>
%F A129214 8!*a(n) are terms in A014574.
%t A129214 s={};Do[m=40320k;If[PrimeQ[m-1]&&PrimeQ[m+1],AppendTo[s,k]],{k,1000}];s
%t A129214 Select[Range[800],AllTrue[40320#+{1,-1},PrimeQ]&] (* _Harvey P. Dale_, Oct 05 2022 *)
%Y A129214 Cf. A014574 (Average of twin prime pairs), A127545 (Multiples of 7 such that n -/+ 1 are twin primes).
%Y A129214 Numbers m such that (N!*m -/+ 1) are twin primes: A129213 (N=7), A129215 (N=9), A129216 (N=10).
%K A129214 nonn
%O A129214 1,1
%A A129214 _Zak Seidov_, Apr 03 2007