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%I #5 Mar 30 2012 18:52:25
%S 2,7,11,13,7,27,41,23,13,23,40,17,29,29,13,41,7,65,158,17,45,19,8,75,
%T 29,208,23,47,17,51,55,17,12,37,691,11,27,24,77,63,308,95,16,71,35,71,
%U 86,37,77,149,113,9,135,17,171,19,86,87,38,103,61,982,8,96,48,65,142,17
%N (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13,..) transform in (0+1*2, 3+2*2, 5+2*3, 7+2*3, 3+2*2, 5+11*2, 2+3*13,..).
%e 0+1*2=2=a(1).
%e 3+2*2=7=a(2).
%e 5+2*3=11=a(3).
%e 7+2*3 =13=a(4).
%e 3+2*2=7=a(5).
%e 5+11*2=27=a(6).
%e 2+3*13 =41=a(7).
%e 2+7*3=23=a(8), etc.
%Y Cf. A141269, A141270.
%K nonn
%O 1,1
%A _Juri-Stepan Gerasimov_, Oct 31 2008
%E a(67) corrected by _R. J. Mathar_, Apr 14 2010