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 A113911 #6 Jan 21 2019 19:01:55 %S A113911 3,7,13,19,23,31,41,43,47,59,61,71,73,79,89,97,103,107,109,113,131, %T A113911 137,139,151,157,163,167,179,181,191,193,199,211,223,229,233,239,241, %U A113911 251,263,269,271,277,281,283,307,311,313,317,337,347,349,353,359,373,379 %N A113911 Prime numbers not appearing in the nextprime(x^2) sequence A007491. %F A113911 a(n) ~ n log n. - _Charles R Greathouse IV_, Apr 09 2013 %t A113911 Complement[ Prime@Range@75, Prime[ PrimePi[ Range@19^2] + 1]] (* _Robert G. Wilson v_ *) %o A113911 (PARI) is(n)=isprime(n)&&n>nextprime(sqrtint(n)^2) \\ _Charles R Greathouse IV_, Apr 09 2013 %K A113911 nonn,easy %O A113911 1,1 %A A113911 _Jorge Coveiro_, Jan 29 2006 %E A113911 More terms from _Robert G. Wilson v_, Jan 30 2006