Number of nX5 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
A269149
Number of nX5 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
Terms
- a(0) =432a(1) =46464a(2) =3277728a(3) =208984848a(4) =12637025328a(5) =738478504448
External references
- oeis: A269149