Sum of orders of all odd permutations of n letters.

A060178

Sum of orders of all odd permutations of n letters.

Terms

    a(0) =0a(1) =2a(2) =6a(3) =36a(4) =260a(5) =1860a(6) =18732a(7) =162176a(8) =1774656a(9) =20909160a(10) =320781560a(11) =4493532912a(12) =72263548656

External references