OFFSET
1,1
COMMENTS
Equivalently, lower member of consecutive terms of A249552.
LINKS
H. U. Besche, B. Eick and E. A. O'Brien, A Millennium Project: Constructing Small Groups, Internat. J. Algebra and Computation, 12 (2002), 623-644.
Gordon Royle, Numbers of Small Groups
EXAMPLE
MAPLE
with(GroupTheory): for n from 1 to 10^6 do if [NumGroups(n), NumGroups(n+1)] = [9, 9] then print(n); fi; od;
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Muniru A Asiru, Jan 19 2018
STATUS
approved