Number of 5Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.
A269293
Number of 5Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.
Terms
- a(0) =1024a(1) =314928a(2) =43674876a(3) =5306911092a(4) =598478857956
External references
- oeis: A269293