Number of ordered pairs (a,b) of elements of the symmetric group S_n such that the pair a,b generates a proper subgroup of S_n.
A086502
Number of ordered pairs (a,b) of elements of the symmetric group S_n such that the pair a,b generates a proper subgroup of S_n.
Terms
- a(0) =0a(1) =1a(2) =18a(3) =360a(4) =7560a(5) =289440a(6) =9828000a(7) =631169280a(8) =46449002880
External references
- oeis: A086502