%I A000637 M1730 N0685
%S A000637 1,1,2,7,8,37,40,200,258,1039,1500
%N A000637 Number of permutation groups of degree n.
%D A000637 G. Butler and J. McKay, The transitive groups of degree up to eleven, 
               Comm. Algebra, 11 (1983), 863-911.
%D A000637 A. C. Lunn and J. K. Senior, Isomerism and Configuration, J. Physical 
               Chem. 33 91929), 1027-1079.
%D A000637 C. C. Sims, Computational methods in the study of permutation groups, 
               pp. 169-183 of J. Leech, editor, Computational Problems in Abstract 
               Algebra. Pergamon, Oxford, 1970.
%D A000637 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A000637 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A000637 Cf. A000001, A000019, A000638, A002106, A005432.
%Y A000637 Sequence in context: A117559 A081700 A093795 this_sequence A001493 A081999 
               A011355
%Y A000637 Adjacent sequences: A000634 A000635 A000636 this_sequence A000638 A000639 
               A000640
%K A000637 nonn,hard,nice,more
%O A000637 1,3
%A A000637 N. J. A. Sloane (njas(AT)research.att.com).