Number of signed permutations of length n that are sortable to the identity permutation by some sequence of cdr (context-directed reversal) moves.
A260511
Number of signed permutations of length n that are sortable to the identity permutation by some sequence of cdr (context-directed reversal) moves.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =120a(4) =1227a(5) =15188
External references
- oeis: A260511