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 A196675 #19 Jul 25 2024 06:58:11 %S A196675 164051,231299,255919,274177,343517,447827,450451,528167,587519, %T A196675 847607,1209469 %N A196675 The n-th Chebyshev primes that are equal to the 2n-th primes. %C A196675 The Chebyshev primes (of index 1) are such odd primes that satisfy li[psi(p)]-li[psi(p-1)]<1 (sequence A196667), where li(x) is the logarithmic integral and psi(x) is the Chebyshev's psi function. %C A196675 The present sequence lists the n-th Chebyshev primes that are equal to the 2n-th primes. %C A196675 See A196674 for the number n at the zeros of the function a(n)-p_{2n}, where a(n) is the n-th Chebyshev prime and p_{2n} the 2n-th prime. %H A196675 M. Planat and P. Solé, <a href="http://arxiv.org/abs/1109.6489">Efficient prime counting and the Chebyshev primes</a> arXiv:1109.6489 [math.NT], 2011. %Y A196675 Cf. A196674 (number n at the zeros of the function a(n)-p_{2n}, where a(n) is the n-th Chebyshev prime and p_{2n} the 2n-th prime). %K A196675 nonn %O A196675 1,1 %A A196675 _Michel Planat_, Oct 06 2011