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A046300
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Smallest integer k such that 2^n is the largest power of two that is contained in 2^k as a proper substring.
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0
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4, 5, 6, 7, 14, 15, 26, 102, 108, 109, 224, 103, 104, 105, 506, 507, 452, 1169, 1170, 1171, 8228, 10419, 15186, 5227, 16619, 16620, 16621, 25102, 130090, 62640, 330791, 330792, 351403, 273100, 681504, 649069, 352375, 3045104, 3045105, 3635007
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OFFSET
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0,1
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COMMENTS
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LINKS
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EXAMPLE
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2^4={1}6 and 2^0=1; 2^5=3{2} and 2^1=2; 2^6=6{4} and 2^2=4; etc.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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Definition reworded, offset changed to 0, and terms a(20)-a(36) added by Jon E. Schoenfield, Jun 04 2010
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STATUS
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approved
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