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 A260791 #12 Aug 06 2015 11:30:07 %S A260791 5,7,13,23,31,37,47,53,71,101,103,167,181,191,197,199,223,229,263,271, %T A260791 293,317,349,383,397,431,439,461,479,503,509,541,557,599,607,613,647, %U A260791 653,677,709,719,727,733,743,751,757,797,821,823,839,877,887,911,919,991,997 %N A260791 Type II primes (conjectured). %C A260791 See Schulte et al. (2014) for the precise definition. %H A260791 A. Schulte, S. VanSchalkwyk, A. Yang, <a href="http://www.msri.org/system/cms/files/81/files/original/Research_Reports_2014_MSRI-UP_(Single_File).pdf#page=130">On the divisibility and valuations of the Franel numbers</a>, in MSRI-UP Research Reports, 2014. %H A260791 A. Schulte, S. VanSchalkwyk, A. Yang, <a href="http://www.maa.org/sites/default/files/doc/images/VanSchalkwykAlgebra.pdf">On the divisibility and valuations of the Franel numbers</a>, Examples of Outstanding Student Posters, MAA. %Y A260791 Cf. A260793, A260792. %K A260791 nonn %O A260791 1,1 %A A260791 _N. J. A. Sloane_, Aug 05 2015