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 A120936 #10 Apr 17 2012 00:06:24 %S A120936 0,1,1,1,1,1,1,0,1,1,2,1,1,0,1,1,2,1,1,0,1,1,1,0,0,1,1,2,2,1,1,0,0,1, %T A120936 1,1,1,1,1,2,2,1,1,1,1,1,1,0,0,1,1,1,1,0,1,1,2,2,2,1,1,0,1,1,1,1,2,1, %U A120936 2,2,2,1,1,0,1,1,1,1,2,1,1,1,1,0,1,1,1,1,1,0,0,0,1,1,1,1,2,1,2,2,2,1,2,1,2 %N A120936 Number of primes in the interval [n,n+log(n)]. %C A120936 Soundararajan states that, on average, there is one prime in the interval [n,n+log(n)] for any number n. See A120934 for the prime n that yield new records. %H A120936 T. D. Noe, <a href="/A120936/b120936.txt">Table of n, a(n) for n = 1..5000</a> %H A120936 K. Soundararajan, <a href="http://www.arXiv.org/abs/math.NT/0606408">The distribution of prime numbers</a> %t A120936 Table[Length[Select[Range[n,n+Log[n]],PrimeQ]], {n,150}] %o A120936 (PARI) a(n)=sum(k=n,n+log(n),isprime(k)) \\ _Charles R Greathouse IV_, Apr 17 2012 %Y A120936 Cf. A008407, A020497. %K A120936 nonn %O A120936 1,11 %A A120936 _T. D. Noe_, Jul 21 2006