Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.
A253406
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.
Terms
- a(0) =3920448a(1) =2763096a(2) =5662124a(3) =27085902a(4) =139685535a(5) =954233428a(6) =4643086490a(7) =27322067530a(8) =163912344968a(9) =848291663906
External references
- oeis: A253406