Number of n X 7 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
A269200
Number of n X 7 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
Terms
- a(0) =8748a(1) =3212820a(2) =1184381844a(3) =399104835612
External references
- oeis: A269200