%I A005890 M2195
%S A005890 0,0,0,3,0,0,1,0,0,3,0,1,2,0,0,4,0,2,2,2,2,2,1,2,1,1,0,4,0,0,0,2,1,6,2,
%T A005890 4,1,2,1,2,0,5,2,3,1,6,0,4,0,4,2,2,2,4,0,2,0,5,2,2,2,4,0,2,1,4,3,5,2,2,
               0,2,2,9,2,6
%N A005890 Theta series of hexagonal close-packing with respect to triangle between 
               layers.
%D A005890 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A005890 N. J. A. Sloane and B. K. Teo, Theta series and magic numbers for close-packed 
               spherical clusters, J. Chem. Phys. 83 (1985) 6520-6534.
%Y A005890 Sequence in context: A092573 A091009 A167163 this_sequence A104515 A074936 
               A035655
%Y A005890 Adjacent sequences: A005887 A005888 A005889 this_sequence A005891 A005892 
               A005893
%K A005890 nonn
%O A005890 0,4
%A A005890 N. J. A. Sloane (njas(AT)research.att.com).