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A083567 Let B(n) be the number of binary digits in n. This is the sequence of positive integers n such that 2B(n)=B(n^2). +0
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21, 37, 42, 45, 53, 69, 73, 74, 81, 83, 84, 90, 106, 133, 137, 138, 141, 146, 148, 155, 161, 162, 165, 166, 168, 177, 180, 211, 212, 261, 265, 266, 269, 273, 274, 276, 281, 282, 289, 291, 292, 295, 296, 299, 310, 321, 322, 324, 330, 332, 336, 354, 359, 360 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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