Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.
A253727
Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.
Terms
- a(0) =3550a(1) =83884a(2) =2240030a(3) =57696638a(4) =1480378584a(5) =37974926408a(6) =973419692344
External references
- oeis: A253727