Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and exactly one more element moved upwards than downwards.
A263760
Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and exactly one more element moved upwards than downwards.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =31a(5) =106a(6) =485a(7) =1546a(8) =6083a(9) =21020a(10) =83505a(11) =298850a(12) =1157277a(13) =4174794a(14) =15848043a(15) =57833610a(16) =218278105a(17) =803890160a(18) =3022404618a(19) =11185043168a(20) =41937855185a(21) =155739217814a(22) =583290598528
External references
- oeis: A263760