Search: id:A007599
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%I A007599 M0455
%S A007599 1,0,1,1,1,1,2,3,4,5,5,5,6,7,8,9,9,9,10,11,11,11,12,13,14,15,15,15,16,
%T A007599 17,17,17,18,19,19,19,20,21,21,21,22,23,24,25,25,25,26,27,27,27,28,29,
%U A007599 29,29,30,31,31,31,32,33,33,33,34,35,35,35,36,37,37,37,38,39,39,39,40
%N A007599 a(n+1) = a(n)+a(a(a(..(n-1)..))), depth [ n/2 ].
%D A007599 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%H A007599 T. D. Noe, <a href="b007599.txt">Table of n, a(n) for n=0..1000</a>
%t A007599 a[n_Integer] := a[n] = (a[n - 1] + Nest[a, n - 2, Floor[n/2] ] ); a[0] 
               = 1; a[1] = 0; Table[ a[n], {n, 0, 75} ]
%Y A007599 Sequence in context: A006159 A081610 A063273 this_sequence A154940 A133344 
               A091334
%Y A007599 Adjacent sequences: A007596 A007597 A007598 this_sequence A007600 A007601 
               A007602
%K A007599 nonn,nice,easy
%O A007599 0,7
%A A007599 N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein, Robert G. 
               Wilson v (rgwv(AT)rgwv.com)

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