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A205596 Least k such that A205592(k) = 2^n. 5

%I

%S 2,5,8,20,44,71,107,161,242,545,818,1841,2762,6215,9323,13985,20978,

%T 47201,70802,159305,238958,358910,807548,1814615,2721923,4082885,

%U 6124328,13779557,20669336,40222412,87267041

%N Least k such that A205592(k) = 2^n.

%H <a href="http://www.bmoc.maths.org/home/bmo2-2012.pdf">2011/12 British Mathematical Olympiad Round 2</a>, Problem 2.

%Y Cf. A205591, A205592, A205593, A205594, A205595.

%K nonn

%O 0,1

%A _Joseph Myers_, Jan 29 2012

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Last modified May 15 22:17 EDT 2021. Contains 343934 sequences. (Running on oeis4.)