Number of 2 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
A285153
Number of 2 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =2a(2) =14a(3) =58a(4) =210a(5) =788a(6) =2960a(7) =11168a(8) =42402a(9) =161856a(10) =619864a(11) =2381342a(12) =9174202a(13) =35432030a(14) =137146164a(15) =531899380a(16) =2066518438a(17) =8041414956a(18) =31335774120a(19) =122265661844a(20) =477610788400
External references
- oeis: A285153