Number of permutations of {1,2,3,...,n} where, for 1 < i <= n, the i-th number has maximized sum of the i-1 absolute differences from all previous numbers of the permutation.
A095698
Number of permutations of {1,2,3,...,n} where, for 1 < i <= n, the i-th number has maximized sum of the i-1 absolute differences from all previous numbers of the permutation.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =14a(5) =18a(6) =46a(7) =54a(8) =146a(9) =162a(10) =454a(11) =486a(12) =1394a(13) =1458a(14) =4246a(15) =4374a(16) =12866a(17) =13122a(18) =38854a(19) =39366a(20) =117074a(21) =118098a(22) =352246a(23) =354294a(24) =1058786a(25) =1062882a(26) =3180454a(27) =3188646a(28) =9549554a(29) =9565938
External references
- oeis: A095698