%I A031359
%S A031359 1,4,6,8,12,12,14,24,18,20,32,24,30,36,30,32,48,48,38,56,42,44,72,48,
%T A031359 56,72,54,72,80,60,62,96,84,68,96,72,74,120,96,80,108,84,108,120,90,
%U A031359 112,128,120,98,144,102,104,192,108,110,152,114,144,168,144,132,168
%N A031359 Bisection of A001615.
%C A031359 Number of coincidence site lattices of index 2n+1 in lattice Z^3.
%D A031359 M. Baake, "Solution of coincidence problem...", in R. V. Moody, ed., 
               Math. of Long-Range Aperiodic Order, Kluwer 1997, pp. 9-44.
%F A031359 Dirichlet series: Product (1+p^(-s))/(1-p^(1-s)); p != 2.
%Y A031359 Sequence in context: A139404 A014455 A110646 this_sequence A110606 A117247 
               A047407
%Y A031359 Adjacent sequences: A031356 A031357 A031358 this_sequence A031360 A031361 
               A031362
%K A031359 nonn,easy,nice
%O A031359 1,2
%A A031359 N. J. A. Sloane (njas(AT)research.att.com).
%E A031359 Better description from Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 25 
               2002
%E A031359 More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 24 
               2002