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.

Sequence in context: A166785 A145412 A156032 this_sequence A003930 A137607 A112078

Adjacent sequences: A003796 A003797 A003798 this_sequence A003800 A003801 A003802

nonn,easy

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