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 A265079 #28 Apr 15 2016 14:22:50 %S A265079 3,5,7,9,11,33,36,49,453,727,1560,1569,1627,5078,6605,17663,27281, %T A265079 29298,29708,39509,98653 %N A265079 Numbers n such that the Crandall number C = A262961(n) has exactly one prime divisor p >= n/2. %C A265079 If a Crandall number C = A262961(n) is an even semiprime, then n is a term of this sequence. - _Altug Alkan_, Dec 30 2015 %H A265079 David Broadhurst, <a href="http://physics.open.ac.uk/~dbroadhu/recmem.pdf">Crandall Memorial Puzzle</a>, Oct 04, 2015. %H A265079 David Broadhurst, <a href="/A262961/a262961.pdf">Crandall Memorial Puzzle</a> [Cached copy, with permission] %H A265079 David Broadhurst, <a href="http://physics.open.ac.uk/~dbroadhu/recsol.pdf">Crandall memorial puzzle: solution and heuristics</a> %H A265079 David Broadhurst, <a href="/A265079/a265079.pdf">Crandall memorial puzzle: solution and heuristics</a> [Cached copy, with permission] %H A265079 David Broadhurst, <a href="http://arxiv.org/abs/1604.03057">Feynman integrals, L-series and Kloosterman moments</a>, arXiv:1604.03057, 2016. %e A265079 5 is a term because A262961(5) = 302 and its prime divisors are 2, 151 and only 151 >= 5/2. %Y A265079 Cf. A262961. %K A265079 nonn,more %O A265079 1,1 %A A265079 _N. J. A. Sloane_, Dec 30 2015