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 A152087 #8 Aug 09 2015 15:05:24 %S A152087 7,13,19,37,43,67,79,89,97,103,109,127,163,193,199,211,223,229,277, %T A152087 307,313,349,359,379,389,397,401,439,449,457,463,467,479,487,491,499, %U A152087 509,523,613,619,643,661,673,683,701,719,739,743,757,761,769,797,823,853 %N A152087 Primes p such that q - p is not squarefree, where q is the next prime immediately following p. %C A152087 This sequence contains all terms of A098059 and also contains those primes (p) that differ from the next higher primes (q) by nonsquarefree integers congruent to 2 (mod 4). %Y A152087 Cf. A098059. %K A152087 nonn %O A152087 1,1 %A A152087 _Leroy Quet_, Nov 23 2008 %E A152087 Extended by _Ray Chandler_, Nov 26 2008