Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and the median of every three consecutive elements nondecreasing.

A263594

Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and the median of every three consecutive elements nondecreasing.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =16a(4) =52a(5) =208a(6) =676a(7) =2208a(8) =7696a(9) =25508a(10) =83880a(11) =283660a(12) =948060a(13) =3148584a(14) =10557340a(15) =35322344a(16) =117782000a(17) =393897360a(18) =1317263556a(19) =4398977356a(20) =14702092412a(21) =49147888808a(22) =164212896136a(23) =548766913936

External references