Number of cyclic permutations of [n] with no i -> i+1 (mod n).
A000757
Number of cyclic permutations of [n] with no i -> i+1 (mod n).
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =8a(6) =36a(7) =229a(8) =1625a(9) =13208a(10) =120288a(11) =1214673a(12) =13469897a(13) =162744944a(14) =2128047988a(15) =29943053061a(16) =451123462673
External references
- oeis: A000757