2,1

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.

Adjacent sequences: A003936 A003937 A003938 this_sequence A003940 A003941 A003942

Sequence in context: A108841 A124490 A124491 this_sequence A003932 A126175 A128837

nonn,easy

njas