Sum of GCD of cycle lengths over all permutations of [n] with distinct cycle lengths.
A382781
Sum of GCD of cycle lengths over all permutations of [n] with distinct cycle lengths.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =9a(4) =32a(5) =170a(6) =1164a(7) =7434a(8) =62880a(9) =582336a(10) =5875200a(11) =60041520a(12) =841501440a(13) =9440926560a(14) =141618778560
External references
- oeis: A382781