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 A053293(n)/6. - R. Stephan, Mar 30 2004

Sequence in context: A056933 A008693 A068298 this_sequence A003924 A020358 A051962

Adjacent sequences: A003787 A003788 A003789 this_sequence A003791 A003792 A003793

nonn,easy

njas