Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 3 king-move adjacent elements, with upper left element zero.

A303724

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 3 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =16a(1) =120a(2) =77a(3) =133a(4) =219a(5) =345a(6) =564a(7) =974a(8) =1715a(9) =2992a(10) =5222a(11) =9175a(12) =16164a(13) =28488a(14) =50193a(15) =88452a(16) =155956a(17) =275011a(18) =484934a(19) =855114a(20) =1507919a(21) =2659158a(22) =4689360a(23) =8269543a(24) =14583134a(25) =25717084a(26) =45351643a(27) =79976894a(28) =141037974a(29) =248718277

External references