1,1

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: A013842 A145322 A145335 this_sequence A138878 A050938 A008849

Adjacent sequences: A003832 A003833 A003834 this_sequence A003836 A003837 A003838

nonn,easy

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