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

A298923

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

Terms

    a(0) =0a(1) =64a(2) =8a(3) =9a(4) =17a(5) =22a(6) =31a(7) =83a(8) =92a(9) =172a(10) =309a(11) =549a(12) =923a(13) =1830a(14) =3021a(15) =5580a(16) =10091a(17) =18344a(18) =33025a(19) =61470a(20) =111014a(21) =205198a(22) =376471a(23) =694579a(24) =1277419a(25) =2365958a(26) =4360085a(27) =8074209a(28) =14929946a(29) =27656016

External references