Unmatched value maps: number of n X 2 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 n X 2 array.
A218759
Unmatched value maps: number of n X 2 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 n X 2 array.
Terms
- a(0) =2a(1) =6a(2) =18a(3) =47a(4) =134a(5) =373a(6) =1035a(7) =2889a(8) =8050a(9) =22420a(10) =62477a(11) =174072a(12) =484983a(13) =1351277a(14) =3764915a(15) =10489750a(16) =29226504a(17) =81430659a(18) =226881448a(19) =632135485a(20) =1761251171a(21) =4907184849a(22) =13672362150a(23) =38093833868a(24) =106136756981a(25) =295717444696
External references
- oeis: A218759