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A214489 Numbers m such that A070939(m) = A070939(m + A070939(m)), A070939 = length of binary representation. 6

%I #8 Sep 08 2013 19:54:51

%S 0,4,8,9,10,11,16,17,18,19,20,21,22,23,24,25,26,32,33,34,35,36,37,38,

%T 39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,64,65,66,67,

%U 68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86

%N Numbers m such that A070939(m) = A070939(m + A070939(m)), A070939 = length of binary representation.

%C A070939(a(n))=A103586(a(n)) and also A105025(a(n))=A105029(a(n)).

%H Reinhard Zumkeller, <a href="/A214489/b214489.txt">Table of n, a(n) for n = 1..10000</a>

%H David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [<a href="http://neilsloane.com/doc/slopey.pdf">pdf</a>, <a href="http://neilsloane.com/doc/slopey.ps">ps</a>].

%H <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a>

%o (Haskell)

%o a214489 n = a214489_list !! (n-1)

%o a214489_list = [x | x <- [0..], a070939 x == a103586 x]

%o -- .

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Jul 21 2012

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Last modified September 15 11:09 EDT 2024. Contains 375938 sequences. (Running on oeis4.)