%I A002853 M2514 N0994
%S A002853 1,3,6,6,10,16,28,28,28,28,28,28,28,28,36,40,48,48
%N A002853 Maximal size of a set of equiangular lines in n dimensions.
%D A002853 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002853 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002853 W. W. R. Ball and H. S. M. Coxeter,"Mathematical Recreations and Essays,
               " 13th Ed. Dover, p. 307.
%D A002853 P. W. H. Lemmens and J. J. Seidel, Equiangular lines, J. Algebra, 24 
               (1973), 494-512.
%D A002853 F. Buekenhout, ed., Handbook of Incidence Geometry, 1995, p. 884.
%Y A002853 Sequence in context: A111652 A159787 A147849 this_sequence A135610 A157018 
               A113497
%Y A002853 Adjacent sequences: A002850 A002851 A002852 this_sequence A002854 A002855 
               A002856
%K A002853 hard,nonn,nice
%O A002853 1,2
%A A002853 N. J. A. Sloane (njas(AT)research.att.com).
%E A002853 The sequence continues: 72 <= a(19) <= 76, 90 <= a(20) <= 96, a(21) = 
               126, a(22) = 176, a(23) = ... = a(42) = 276, a(43) = 344.