Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and the total absolute value of displacements not greater than 2*(n-1).
A263902
Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and the total absolute value of displacements not greater than 2*(n-1).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =20a(4) =76a(5) =300a(6) =1189a(7) =4701a(8) =18754a(9) =75243a(10) =303407a(11) =1227560a(12) =4981002a(13) =20260788a(14) =82579632a(15) =337175123a(16) =1378826528a(17) =5646408697a(18) =23151632776a(19) =95034718893a(20) =390504864746
External references
- oeis: A263902