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A046300 Smallest integer k such that 2^n is the largest power of two that is contained in 2^k as a proper substring. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

First terms of A046287-A046299.

LINKS

Table of n, a(n) for n=0..39.

EXAMPLE

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.

CROSSREFS

Cf. A033921.

Sequence in context: A283775 A037355 A294228 * A053738 A327101 A327082

Adjacent sequences:  A046297 A046298 A046299 * A046301 A046302 A046303

KEYWORD

nonn,base,changed

AUTHOR

Patrick De Geest, Jun 15 1998

EXTENSIONS

Definition reworded, offset changed to 0, and terms a(20)-a(36) added by Jon E. Schoenfield, Jun 04 2010

a(37)-a(39) from Jon E. Schoenfield, Jul 10 2010

STATUS

approved

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Last modified October 13 22:17 EDT 2019. Contains 327982 sequences. (Running on oeis4.)