Search: id:A008576
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%I A008576
%S A008576 1,3,5,8,11,13,16,19,21,24,27,29,32,35,37,40,43,45,48,
%T A008576 51,53,56,59,61,64,67,69,72,75,77,80,83,85,88,91,93,96,
%U A008576 99,101,104,107,109,112,115,117,120,123,125,128,131,133
%N A008576 Coordination sequence for planar net 4.8.8.
%D A008576 Meier and Moeck, Topology of 3-D 4-connected nets ..., J. Solid State 
               Chem 27 1979 349-355, esp. p. 351.
%H A008576 T. D. Noe, <a href="b008576.txt">Table of n, a(n) for n=0..1000</a>
%F A008576 G.f.: [(1+x)^2(1+x^2)]/[(1-x)^2(1+x+x^2)]. - R. Stephan, Apr 24 2004
%F A008576 Sum of alternate terms of A042965 (numbers not congruent to 2 mod 4), 
               such that A042965(n) = A042965(n+1) + A042965(n-1). - Gary W. Adamson 
               (qntmpkt(AT)yahoo.com), Sep 12 2007
%p A008576 if n mod 3 = 0 then 8*n/3 elif n mod 3 = 1 then 8*(n-1)/3+3 else 8*(n-2)/
               3+5 fi;
%Y A008576 Cf. A042965.
%Y A008576 Sequence in context: A026274 A137910 A022850 this_sequence A047622 A079392 
               A022852
%Y A008576 Adjacent sequences: A008573 A008574 A008575 this_sequence A008577 A008578 
               A008579
%K A008576 nonn,easy
%O A008576 0,2
%A A008576 N. J. A. Sloane (njas(AT)research.att.com).

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