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.
%I A129215 #18 Sep 08 2022 08:45:30 %S A129215 3,11,22,38,52,69,125,140,154,167,169,185,198,200,205,239,299,308,335, %T A129215 368,376,390,405,421,482,509,574,597,610,663,684,700,701,720,763,792, %U A129215 795,798,840,843,855,898,907,921,954,957 %N A129215 Numbers m such that 9!*m -+ 1 are twin primes. %H A129215 Amiram Eldar, <a href="/A129215/b129215.txt">Table of n, a(n) for n = 1..10000</a> %F A129215 9!*a(n) are terms in A014574. %t A129215 s={};Do[m=362880k;If[PrimeQ[m-1]&&PrimeQ[m+1],AppendTo[s,k]],{k,1000}];s %t A129215 With[{c=9!},Select[Range[1000],And@@PrimeQ[c*#+{1,-1}]&]] (* _Harvey P. Dale_, Aug 27 2013 *) %o A129215 (Magma) [m:m in [1..1000]| IsPrime(Factorial(9)*m+1) and IsPrime(Factorial(9)*m-1)]; // _Marius A. Burtea_, Dec 29 2019 %Y A129215 Cf. A014574 (average of twin prime pairs), A127545 (multiples of 7 in A014574), A137877. %Y A129215 Numbers m such that (N!*m -+ 1) are twin primes: A129213 (N=7), A129214 (N=8), A129216 (N=10). %K A129215 nonn %O A129215 1,1 %A A129215 _Zak Seidov_, Apr 03 2007