Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

A298190

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =4a(1) =26a(2) =92a(3) =354a(4) =1385a(5) =5450a(6) =21362a(7) =83805a(8) =328854a(9) =1290664a(10) =5064904a(11) =19876664a(12) =78004135a(13) =306122212a(14) =1201352626a(15) =4714619350a(16) =18502172075a(17) =72610411677a(18) =284954178325

External references