Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and exactly one more element moved upwards than downwards.
A263761
Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and exactly one more element moved upwards than downwards.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =31a(5) =146a(6) =961a(7) =3662a(8) =18444a(9) =69848a(10) =326102a(11) =1330424a(12) =6299674a(13) =26712358a(14) =124560630a(15) =533971782a(16) =2439626795a(17) =10546384942a(18) =47745529864a(19) =208543550082a(20) =940653815829
External references
- oeis: A263761