Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically.
A253732
Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically.
Terms
- a(0) =218a(1) =1888a(2) =7216a(3) =54688a(4) =400068a(5) =3369876a(6) =40265740a(7) =774250356a(8) =16204708792a(9) =401697467244
External references
- oeis: A253732