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 A162724 Binary Keith numbers. 11
 1, 2, 3, 4, 8, 16, 32, 64, 128, 143, 256, 285, 512, 569, 683, 1024, 1138, 1366, 2048, 2276, 4096, 8192, 16384, 32768, 65536, 131072, 154203, 262144, 308405, 524288, 616810, 678491, 1048576, 1356981, 1480343, 2097152, 2713962, 2960686, 4194304 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A162363. It is easy to see that every power of 2 is a binary Keith number. LINKS FORMULA Union of A162363 and the powers of 2. MATHEMATICA IsKeith2[n_Integer] := Module[{b, s}, b=IntegerDigits[n, 2]; s=Total[b]; If[s<=1, True, k=1; While[s=2*s-b[[k]]; s

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