%I #7 Feb 11 2016 12:11:14
%S 1,5,3,2,10,50,25,13,7,4,20,100,500,250,125,63,32,16,8,40,200,1000,
%T 5000,2500,1250,625,313,157,79,395,198,99,495,248,124,62,31,155,78,39,
%U 195,98,49,245,123,615,308,154,77
%N A268642 with a(n+1) = 5*n if ceiling(a(n)/2) is already in the sequence.
%C It is conjectured that this is a permutation of the integers, along with any Seelmann sequence in which a(n+1) = M*n if the divide by 2 rule is not permitted, for any integer M>1 and not of the form M = 2^N.
%Y Cf. A268642.
%K nonn
%O 1,2
%A _David Seelmann_, Feb 11 2016
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