0,2

J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985, p. xvi.

H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Numbers so far appear to equal A052496(n)/7. - R. Stephan, Mar 30 2004

Sequence in context: A000706 A068299 A003798 this_sequence A003925 A126846 A158633

Adjacent sequences: A003788 A003789 A003790 this_sequence A003792 A003793 A003794

nonn,easy

N. J. A. Sloane (njas(AT)research.att.com).