Number of 3Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.
A265931
Number of 3Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.
Terms
- a(0) =125a(1) =4616a(2) =17936a(3) =72772a(4) =273616a(5) =1042020a(6) =3883480a(7) =14617920a(8) =55503312a(9) =210277584a(10) =791400360a(11) =2978940280a(12) =11257286824a(13) =42533780480a(14) =160460490488a(15) =604824610736
External references
- oeis: A265931