Number of 5Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.
A269280
Number of 5Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.
Terms
- a(0) =0a(1) =236196a(2) =36673560a(3) =4684312584a(4) =542973139128
External references
- oeis: A269280