# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a218920 Showing 1-1 of 1 %I A218920 #17 Jan 20 2018 17:39:27 %S A218920 1,1,4,19,73,412,2660,21449,184541,1827841,20043736,240206213, %T A218920 3119816216 %N A218920 Sum of the diagonal entries of the table of marks of the alternating group. %H A218920 L. Naughton and G. Pfeiffer, Integer sequences realized by the subgroup pattern of the symmetric group, arXiv:1211.1911 and J. Int. Seq. 16 (2013) #13.5.8 %H A218920 Liam Naughton, CountingSubgroups.g %H A218920 Liam Naughton and Goetz Pfeiffer, Tomlib, The GAP table of marks library %o A218920 (GAP) Sum(WeightsTom(TableOfMarks(AlternatingGroup(n)))); %Y A218920 Cf. A218919. %K A218920 nonn,more %O A218920 1,3 %A A218920 _Liam Naughton_, Nov 09 2012 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE