Number of 6Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.
A269281
Number of 6Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.
Terms
- a(0) =0a(1) =2598156a(2) =938176344a(3) =279339197256
External references
- oeis: A269281