OFFSET
1,2
COMMENTS
a(n) <= n with equality iff n belongs to sequence A051532.
LINKS
Eric M. Schmidt, Table of n, a(n) for n = 1..1023
EXAMPLE
a(6) = 3 because there are two groups of order 6, the cyclic group with 6 classes and S_3 with 3 classes.
PROG
(GAP) A060653 := function(n) local min, i; min := n; for i in [1..NumberSmallGroups(n)] do min := Minimum(min, NrConjugacyClasses(SmallGroup(n, i))); od; return min; end; # Eric M. Schmidt, Aug 30 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Noam Katz (noamkj(AT)hotmail.com), Apr 17 2001
EXTENSIONS
More terms from Eric M. Schmidt, Aug 30 2012
STATUS
approved