Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and every three consecutive elements having its maximum within 4 of its minimum.

A263701

Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and every three consecutive elements having its maximum within 4 of its minimum.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =288a(6) =456a(7) =488a(8) =754a(9) =1699a(10) =3744a(11) =7940a(12) =15748a(13) =30396a(14) =60160a(15) =120944a(16) =246040a(17) =499256a(18) =1004336a(19) =2016168a(20) =4044432a(21) =8130660a(22) =16373500a(23) =32966620a(24) =66358420a(25) =133489108a(26) =268489288a(27) =540125980a(28) =1086691764a(29) =2186585680

External references