Number of 0..n arrays of length 6 with each element differing from at least one neighbor by 2 or more, starting with 0.

A221517

Number of 0..n arrays of length 6 with each element differing from at least one neighbor by 2 or more, starting with 0.

Terms

    a(0) =0a(1) =5a(2) =89a(3) =532a(4) =1970a(5) =5513a(6) =12872a(7) =26477a(8) =49598a(9) =86465a(10) =142388a(11) =223877a(12) =338762a(13) =496313a(14) =707360a(15) =984413a(16) =1341782a(17) =1795697a(18) =2364428a(19) =3068405a(20) =3930338a(21) =4975337a(22) =6231032a(23) =7727693a(24) =9498350a(25) =11578913a(26) =14008292a(27) =16828517a(28) =20084858a(29) =23825945

External references