Number of vector differences between two permutations of order n, up to multiplication by nonzero rational numbers and permutations of the components.
A381339
Number of vector differences between two permutations of order n, up to multiplication by nonzero rational numbers and permutations of the components.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =9a(5) =28a(6) =128a(7) =539a(8) =2651a(9) =13000a(10) =67466a(11) =355381a(12) =1926343a(13) =10590537a(14) =59234734a(15) =335302599
External references
- oeis: A381339