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%I M0440 #8 Mar 30 2012 16:44:55
%S 1,1,2,3,3,4,5,6,6,6,7,8,9,10,10,11,11,12,13,14,15,16,16,16,16,17,18,
%T 18,19,20,21,22,23,24,24,25,25,26,26,26,27,28,29,29,29,30,31,32,33,34,
%U 35,36,36,37,38,38,39,40,40,41,41,42,43,44,45,45,45,45,45,46,46,47,48,49
%N a(n)=a(a(n-1)-1)+a(n+1-a(n-1)).
%D J. Arkin, D. C. Arney, L. S. Dewald and W. E. Ebel, Jr., Families of recursive sequences, J. Rec. Math., 22 (No. 22, 1990), 85-94.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%K nonn,easy
%O 1,3
%A _N. J. A. Sloane_.
%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 28 2003
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