Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

A305359

Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =99a(2) =99a(3) =211a(4) =656a(5) =1476a(6) =4429a(7) =11281a(8) =31062a(9) =84750a(10) =233266a(11) =652271a(12) =1795948a(13) =4991011a(14) =13877748a(15) =38640817a(16) =107514978a(17) =299535232a(18) =834994559a(19) =2326796881a(20) =6487438589a(21) =18090082485a(22) =50450315901a(23) =140711717327a(24) =392491509481

External references