Number of n X 4 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.
A269285
Number of n X 4 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.
Terms
- a(0) =216a(1) =19188a(2) =1363572a(3) =87559668a(4) =5306911092a(5) =309846524148
External references
- oeis: A269285