Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.

A297957

Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =5a(1) =49a(2) =109a(3) =779a(4) =2596a(5) =11283a(6) =61204a(7) =284304a(8) =1375342a(9) =6952910a(10) =34481150a(11) =170526375a(12) =851167905a(13) =4246845842a(14) =21142550887a(15) =105387070394a(16) =525656312520

External references