Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

A299386

Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =32a(1) =137a(2) =72a(3) =233a(4) =531a(5) =1002a(6) =1852a(7) =4200a(8) =9436a(9) =19203a(10) =41599a(11) =91092a(12) =197402a(13) =424019a(14) =919358a(15) =1989020a(16) =4323198a(17) =9366316a(18) =20311318a(19) =44113576a(20) =95822090a(21) =208017412a(22) =451954480a(23) =982013846a(24) =2133836248a(25) =4637095187a(26) =10079156541a(27) =21906394802

External references