Number of n X 4 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
A231281
Number of n X 4 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
Terms
- a(0) =0a(1) =6a(2) =76a(3) =1170a(4) =18208a(5) =278758a(6) =4294812a(7) =66052162a(8) =1016260448a(9) =15634778470a(10) =240537044748
External references
- oeis: A231281