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%I #2 Mar 30 2012 18:57:06
%S 2,5,1,10,12,15,17,3,22,4,27,30,32,35,6,40,42,7,47,8,52,55,9,60,62,65,
%T 67,11,72,75,77,80,13,85,14,90,92,95,97,16,102,105,107,110,18,115,117,
%U 19,122,20,127,130,21,135,140,142,23,147,24,152,155,25,160,26,165,167
%N Split-floor-multiplier sequence (SFMS) using multipliers 2/5 and 5/2. (SFMS is defined at A120229.).
%C A permutation of the natural numbers.
%F a(n)=[2n/5] if this is positive and new, else a(n)=[5n/2].
%Y Cf. A120229, A120236.
%K nonn
%O 1,1
%A _Clark Kimberling_, Jun 11 2006