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.

A129216 Numbers m such that 10!*m-/+1 are twin primes.

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%I A129216 #10 Dec 29 2019 08:39:32
%S A129216 14,20,39,61,70,72,84,107,136,235,279,281,282,319,324,360,369,422,451,
%T A129216 513,539,547,594,598,611,647,673,684,744,783,809,823,851,911,918,919,
%U A129216 935,957,968
%N A129216 Numbers m such that 10!*m-/+1 are twin primes.
%H A129216 Amiram Eldar, <a href="/A129216/b129216.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from Harvey P. Dale)
%F A129216 10!*a(n) are terms in A014574.
%t A129216 s={};Do[m=3628800k;If[PrimeQ[m-1]&&PrimeQ[m+1],AppendTo[s,k]],{k,1000}];s
%t A129216 With[{c=10!},Select[Range[1000],And@@PrimeQ[c #+{1,-1}]&]] (* _Harvey P. Dale_, Jun 23 2012 *)
%Y A129216 Cf. A014574 (Average of twin prime pairs), A127545 (Multiples of 7 such that n -/+ 1 are twin primes).
%Y A129216 Numbers m such that (N!*m -/+ 1) are twin primes: A129213 (N=7), A129214 (N=8), A129215 (N=9).
%K A129216 nonn
%O A129216 1,1
%A A129216 _Zak Seidov_, Apr 04 2007