Number of nX6 0..1 arrays with every element equal to 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A298955

Number of nX6 0..1 arrays with every element equal to 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =5a(2) =5a(3) =11a(4) =22a(5) =102a(6) =390a(7) =1990a(8) =8875a(9) =42338a(10) =200422a(11) =1001873a(12) =4864576a(13) =24344988a(14) =120791381a(15) =599718216a(16) =2979586795a(17) =14824136258a(18) =73594777737a(19) =365973623961

External references