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A060643 Number of conjugacy classes in the symmetric group S_n that have even number of elements. 0

%I

%S 0,0,1,3,5,7,11,20,28,38,52,73,97

%N Number of conjugacy classes in the symmetric group S_n that have even number of elements.

%C The total number of conjugacy classes of S_n is the partition function p(n) (sequence A000041) and the number of conjugacy classes that have odd number of elements is given in A060632 so a(n) = A000041(n) - A060632(n) for n >= 1

%Y A000041, A060632.

%K nonn

%O 1,4

%A Avi Peretz (njk(AT)netvision.net.il), Apr 17 2001

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Last modified September 27 03:21 EDT 2020. Contains 337380 sequences. (Running on oeis4.)