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A112249 Numbers m such that m mod floor(log_2(m)) = 0. 7

%I #11 Jul 10 2020 03:49:49

%S 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 108,114,120,126,133,140,147,154,161,168,175,182,189,196,203,210,217,

%U 224,231,238,245,252,256,264,272,280,288,296,304,312,320,328,336,344

%N Numbers m such that m mod floor(log_2(m)) = 0.

%C The asymptotic density of this sequence is 0 (Cooper and Kennedy, 1989). - _Amiram Eldar_, Jul 10 2020

%H Ivan Neretin, <a href="/A112249/b112249.txt">Table of n, a(n) for n = 1..10000</a>

%H 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 A112248(a(n)) = 0.

%t Select[Range[2, 350], Divisible[#, Floor@Log2@#] &] (* _Ivan Neretin_, Nov 26 2016 *)

%Y Complement of A112250.

%Y Cf. A000523, A112248.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Aug 30 2005

%E Name corrected by _Ivan Neretin_, Nov 26 2016

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Last modified August 22 22:00 EDT 2024. Contains 375369 sequences. (Running on oeis4.)