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 A161827 #12 Jul 10 2020 03:50:22 %S A161827 5,7,10,11,13,14,17,18,19,21,22,23,26,27,28,29,31,32,33,34,37,38,39, %T A161827 40,41,43,44,45,46,47,50,51,52,53,54,55,57,58,59,60,61,62,65,66,67,68, %U A161827 69,70,71,73,74,75,76,77,78,79,82,83,84,85,86,87,88,89,91,92,93,94,95,96,97,98 %N A161827 Complement of A006446. %C A161827 The asymptotic density of this sequence is 1 (Cooper and Kennedy, 1989). - _Amiram Eldar_, Jul 10 2020 %H A161827 Curtis N. Cooper and Robert E. Kennedy, <a href="http://www.jstor.org/stable/2323194">Chebyshev's inequality and natural density</a>, Amer. Math. Monthly, Vol. 96, No. 2 (1989), pp. 118-124. %H A161827 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a> %H A161827 Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polprdipi.jpg">Divisors and pi(x)</a> %Y A161827 Cf. A000005, A018253, A161205, A161344, A161345, A161424, A006446, A161828, A161835. %K A161827 nonn,easy %O A161827 1,1 %A A161827 _Omar E. Pol_, Jun 21 2009, Jun 28 2009, Feb 08 2010 %E A161827 More terms from _N. J. A. Sloane_, Feb 08 2010