Number of 0..5 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 6.

A200665

Number of 0..5 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 6.

Terms

    a(0) =6a(1) =21a(2) =75a(3) =267a(4) =938a(5) =3283a(6) =11516a(7) =40399a(8) =141745a(9) =497298a(10) =1744684a(11) =6121152a(12) =21475315a(13) =75342932a(14) =264330011a(15) =927363850a(16) =3253519870a(17) =11414498822a(18) =40046099291a(19) =140495874086a(20) =492909198404

External references