Number of vector differences between two permutations of order n, up to multiplication by positive rational numbers and permutations of the components.
A384035
Number of vector differences between two permutations of order n, up to multiplication by positive rational numbers and permutations of the components.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =13a(5) =49a(6) =228a(7) =1034a(8) =5133a(9) =25710a(10) =133872a(11) =708976a(12) =3846150a(13) =21170077a(14) =118429072a(15) =670537495
External references
- oeis: A384035