Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and the total absolute value of displacements not greater than n.
A263935
Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and the total absolute value of displacements not greater than n.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =11a(4) =17a(5) =70a(6) =108a(7) =483a(8) =739a(9) =3271a(10) =5030a(11) =22666a(12) =34917a(13) =158899a(14) =245151a(15) =1124817a(16) =1737163a(17) =8014799a(18) =12389961a(19) =57429411a(20) =88849813a(21) =413371936a(22) =639970236a(23) =2986709832a(24) =4626660043a(25) =21648717846a(26) =33552967488a(27) =157348142164a(28) =243982160894
External references
- oeis: A263935