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 A032714 #14 Aug 13 2024 11:14:32 %S A032714 1,4,5,7,8,11,13,14,16,17,20,26,32,34,35,37,47,55,56,65,67,70,73,76, %T A032714 79,80,82,83,86,88,98,104,115,122,125,128,133,134,136,140,146,148,149, %U A032714 154,155,158,160,161,164,167,170,172,181,184,193,200,205,214,221 %N A032714 Numbers k such that k prefixed by '6' and followed by '3' is prime. %H A032714 Harvey P. Dale, <a href="/A032714/b032714.txt">Table of n, a(n) for n = 1..1000</a> %t A032714 Select[Range[300],PrimeQ[FromDigits[Join[{6},IntegerDigits[#],{3}]]]&] (* _Harvey P. Dale_, Mar 09 2013 *) %Y A032714 Cf. A032702-A032733. %K A032714 nonn,base %O A032714 1,2 %A A032714 _Patrick De Geest_, May 15 1998 %E A032714 Offset changed by _Andrew Howroyd_, Aug 13 2024