OFFSET
1,2
FORMULA
For n >=2, a(n) = A000041(n) + A000700(n) = 2*A046682(n) [by a formula in A046682]. - Eric M. Schmidt, Aug 23 2014
PROG
(GAP) List([1..11], n->Size(OrbitsDomain(AlternatingGroup(IsPermGroup, n), SymmetricGroup(IsPermGroup, n), \^)));
CROSSREFS
KEYWORD
nonn
AUTHOR
Attila Egri-Nagy, Aug 14 2014
EXTENSIONS
More terms from Eric M. Schmidt, Aug 23 2014
STATUS
approved