T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 nXk array.
A221590
T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 nXk array.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =4a(6) =8a(7) =40a(8) =40a(9) =8a(10) =16a(11) =180a(12) =418a(13) =180a(14) =16a(15) =32a(16) =772a(17) =3760a(18) =3760a(19) =772a(20) =32a(21) =64a(22) =3264a(23) =31416a(24) =64324a(25) =31416a(26) =3264a(27) =64a(28) =128a(29) =13634
External references
- oeis: A221590