Number of n X 5 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.
A269273
Number of n X 5 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three exactly once.
Terms
- a(0) =432a(1) =127512a(2) =23549400a(3) =3719884392a(4) =542973139128
External references
- oeis: A269273