Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock sum differing from its neighbors horizontally, vertically, diagonally and antidiagonally.
A253292
Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock sum differing from its neighbors horizontally, vertically, diagonally and antidiagonally.
Terms
- a(0) =26784a(1) =167832a(2) =1029888a(3) =8153960a(4) =61286116a(5) =465921688a(6) =3524494796a(7) =26879615668a(8) =204459584768
External references
- oeis: A253292