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 A112249 #11 Jul 10 2020 03:49:49 %S A112249 2,3,4,6,9,12,15,16,20,24,28,35,40,45,50,55,60,66,72,78,84,90,96,102, %T A112249 108,114,120,126,133,140,147,154,161,168,175,182,189,196,203,210,217, %U A112249 224,231,238,245,252,256,264,272,280,288,296,304,312,320,328,336,344 %N A112249 Numbers m such that m mod floor(log_2(m)) = 0. %C A112249 The asymptotic density of this sequence is 0 (Cooper and Kennedy, 1989). - _Amiram Eldar_, Jul 10 2020 %H A112249 Ivan Neretin, <a href="/A112249/b112249.txt">Table of n, a(n) for n = 1..10000</a> %H A112249 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. %F A112249 A112248(a(n)) = 0. %t A112249 Select[Range[2, 350], Divisible[#, Floor@Log2@#] &] (* _Ivan Neretin_, Nov 26 2016 *) %Y A112249 Complement of A112250. %Y A112249 Cf. A000523, A112248. %K A112249 nonn %O A112249 1,1 %A A112249 _Reinhard Zumkeller_, Aug 30 2005 %E A112249 Name corrected by _Ivan Neretin_, Nov 26 2016