Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

A298293

Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =64a(1) =301a(2) =115a(3) =448a(4) =1084a(5) =1798a(6) =4679a(7) =10688a(8) =22503a(9) =53875a(10) =123435a(11) =278930a(12) =642076a(13) =1469878a(14) =3378674a(15) =7738804a(16) =17769468a(17) =40807932a(18) =93610115a(19) =214883906a(20) =493564409a(21) =1132812315a(22) =2601500535a(23) =5974070555a(24) =13717158924a(25) =31501633865a(26) =72344724752

External references