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A218916
Number of missing subgroup orders of the alternating group, that is, i divides the order of the alternating group but the alternating group does not have a subgroup of order i.
0
0, 0, 0, 0, 1, 3, 9, 26, 46, 81, 151, 365, 540, 1214
OFFSET
0,6
LINKS
PROG
(GAP) Size(Difference(DivisorsInt(Size(AlternatingGroup(n))), DuplicateFreeList(List(ConjugacyClassesSubgroups(AlternatingGroup(n)), x->Size(Representative(x))))));
CROSSREFS
Cf. A218914.
Sequence in context: A235538 A370642 A358915 * A037260 A035313 A055293
KEYWORD
nonn,more
AUTHOR
Liam Naughton, Nov 09 2012
STATUS
approved