1,2

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.

2^(n*(n-1)) * (2^n - 1) * product( 2^(2*i)-1, i=1..n-1);

Sequence in context: A054407 A058466 A134374 this_sequence A067584 A028454 A123397

Adjacent sequences: A001305 A001306 A001307 this_sequence A001309 A001310 A001311

nonn,easy

njas