Number of 1 X n 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.
A265929
Number of 1 X n 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.
Terms
- a(0) =5a(1) =25a(2) =92a(3) =340a(4) =1252a(5) =4616a(6) =17012a(7) =62696a(8) =231044a(9) =851496a(10) =3138100a(11) =11564952a(12) =42620580a(13) =157071768a(14) =578865076a(15) =2133318088a(16) =7862009732a(17) =28974227016a(18) =106780086132a(19) =393521606584
External references
- oeis: A265929