Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

A304542

Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =13a(1) =61a(2) =65a(3) =328a(4) =949a(5) =2558a(6) =9840a(7) =40134a(8) =152679a(9) =664967a(10) =2951738a(11) =13071392a(12) =59414978a(13) =273459413a(14) =1260677281a(15) =5847470084a(16) =27241813906a(17) =127120417491a(18) =594295647370

External references